This edition in lu es the fol owin sig ificant tec nical c an es with resp ct to the previou edition: a A harmonization of the cel sizes an service output tests with IEC 6 0 6-2; b Clari
Trang 1Primary bat eries –
Part 3: W atch bat eries
Trang 2THIS PUBLICATION IS COPYRIGHT PROT CTED
Copyright © 2 16 IEC, Ge e a, Switzerla d
Al rig ts reserv d Unles oth rwise sp cifie , n p rt of this p blc tio ma b re ro u e or uti ze in a y form
or b a y me ns,ele tro ic or me h nic l in lu in p oto o yin a d microfim, with ut p rmis io in writin from
eith r IEC or IEC's memb r Natio al Commite in th c u try of th re u ster If y u h v a y q estio s a o t IEC
c p rig t or h v a e q iry a o t o tainin a ditio al rig tsto this p blc tio , ple se c nta t th a dres b low or
y ur lo al IEC memb r Natio al Commite for furth r informatio
Droits d re ro u tio réserv s Sa f in ic tio c ntraire, a c n p rtie d c te p blc tio n p ut être re ro uite
ni uti sé so s q elq e forme q e c soit et p r a c n pro é é, éle tro iq e o mé a iq e, y c mpris la p oto o ie
et les microfims, sa s la c rd é rit d l EC o d Comité n tio al d l EC d p ys d d ma d ur Si v usa ez d s
q estio s sur le c p rig t d l EC o si v us d sirez o te ir d s droits su pléme taires sur c te p blc tio , uti sez
les c ord n é s ci-a rès o c nta tez le Comité n tio al d l EC d v tre p ysd résid n e
Th Intern tio al Ele trote h ic l Commis io (IEC) is th le din glo al org nizatio th t pre ares a d p blsh s
Intern tio al Sta d rds for al ele tric l ele tro ic a d relate te h olo ies
Ab ut IEC publ c tio s
Th te h ic l c nte t of IEC p blc tio s is k pt u d r c nsta t re iew b th IEC Ple se ma e sure th t y u h v th
latest e itio , a c rig n a or a ame dme t mig t h v b e p blsh d
IEC Catalog e - webstore.ie c / catalog e
Th sta d-alo e a plc tio for c nsultin th e tire
biblo ra hic l infor matio o IEC Inter natio al Sta d rds,
Te h ic l Sp cific tio s, Te h ic l Re orts a d oth r
d c me ts Av ia le for PC, Ma OS, An r oid Ta lets a d
iPa
IEC publc tio s s arc - w w.ie c /se rc pub
Th a v n e se rc e a les to fin IEC p blc tio s b a
v riety of crite a (r efer en e n mb r, te t, te h ic l
c mmite ,…) It also giv s informatio o pr oje ts, re la e
a d w ith r awn p blc tio s
IEC J st Publs ed - webstore.ie c / j stpubls ed
Sta u to d te o al n w IEC p blc tio s Just Pu lsh d
d tais al n w p blc tio s rele se Av ia le o ln a d
also o c a mo th b emai
Ele to edia - ww w.ele to edia.org
Th w or l 's le din o ln dictio ary of ele tro ic a d
ele tr i al terms c ntainin 2 0 0 ter ms a d d finitio s in
En lsh a d Fre c , w ith e uiv le t terms in 15 a ditio al
la g a es Also k now n as th Inter natio al Ele tr ote h ic l
Vo a ulary (IEV) o ln
IEC Glos ary - std.ie c / glos ary
6 0 0 ele trote h ic l ter min lo y e tr i s in En lsh a d
Fre c e tr acte from th Terms a d Definitio s cla se of
IEC p blc tio s is u d sin e 2 0 Some e tr i s h v b e
c le te fr om e rler p blc tio s of IEC TC 3 , 7 , 8 a d
CIS R
IEC Cu tomer Serv ic Cente - webstore.ie c / cs
If y u w ish to giv us y our fe d a k o this p blc tio or
n e furth r as ista c ,ple se c nta t th Customer Ser vic
Ce tr e: csc@ie c
A pro os de lIEC
L Commis io Ele trote h iq e Intern tio ale (IEC) est la première org nisatio mo diale q i éla ore et p ble d s
Normes intern tio ales p ur to t c q i a trait à léle tricité, à léle tro iq e et a x te h olo ies a p re té s
A pro os de publc tio s IEC
L c nte u te h iq e d s p blc tio s IEC est c nstamme t re u Ve i ez v us as urer q e v us p s é ez lé itio la
plus ré e te, u c rig n um o ame d me t p ut a oir été p blé
Catalog e IEC - webstore.ie c / catalog e
Ap lc tio a to ome p ur c nsulter to s les r enseig eme ts
biblo ra hiq es sur les Normes intern tio ales,
Sp cific tio s te h iq es, Ra p r ts te h iq es et a tr es
d c me ts d l EC Disp nible p ur PC, Ma OS, ta letes
An roid et iPa
Re h rc e de publc tio s IEC - w w.ie c / se rc pub
L r ec er ch a a c e p rmet d tr ou er d s p blc tio s IEC
e uti sa t difér ents c tères (n mér o d référe c , te te,
c mité d’étu es,…) Ele d n e a s i d s informatio s sur les
pr ojets et les p blc tio s rempla é s o r etir ées
IEC J st Publs ed - webstore.ie c / j stpubls ed
Restez infor mé sur les n u eles p blc tio s IEC Just
Pu lsh d d tai e les n u eles p blc tio s p r ues
Disp nible e lg e et a s i u e fois p r mois p r emai
Ele to edia - ww w.ele to edia.org
L pr emier dictio n ir e e lg e d ter mes éle tro iq es et
éle tr i u s I c ntie t 2 0 0 termes et d finitio s e a glais
et e fr an ais, ainsi q e les ter mes é uiv le ts d ns 15
la g es a ditio n les Eg leme t a p lé Vo a ulaire
Ele tr ote h iq e Inter natio al (IEV) e lg e
Glos aire IEC - std.ie c / glos ary
6 0 0 e tré s termin lo iq es éle tr ote h iq es, e a glais
et e fr an ais, e tr aites d s articles Ter mes et Définitio s d s
p blc tio s IEC p r ues d p is 2 0 Plus c rtain s e tr ées
a té e res e traites d s p blc tio s d s CE 3 , 7 , 8 et
CIS R d l EC
Serv ic Clents - webstore.ie c / cs
Si v us d sir ez n us d n er d s c mme tair es sur c te
p blc tio o si v us a ez d s q estio s c nta tez-n us:
csc@ie c
Trang 3Primary bat eries –
Part 3: Watch bat eries
Trang 4CONTENTS
FOREWORD 4
INTRODUCTION 6
1 Sco e 7
2 Normative referen es 7
3 Terms an definition 7
4 Ph sical req irements 8
4.1 Bat ery dimen ion , s mb ls an size codes 8
4.2 Terminals 10 4.3 Projection of the negative terminal (h 5 ) 10 4.4 Sha e of negative terminal 10 4.5 Mec anical resistan e to pres ure 1
4.6 Deformation 1
4.7 L a age 1
4.8 Markin 12 4.8.1 General 1
2 4.8.2 Disp sal 12 5 Electrical req irements 12 5.1 Electroc emical s stem, nominal voltage, en -p int voltage an o en-circ it voltage 12 5.2 Closed circ it voltage U c (CCV), internal resistan e an imp dan e 13 5.3 Ca acity 13 5.4 Ca acity retention 13 6 Sampl n an q al ty as uran e 13 7 Test method 13 7.1 Sha e an dimen ion 13 7.1.1 Sha e req irement 13 7.2 Electrical c aracteristic 14 7.2.1 En ironmental con ition 14 7.2 2 Eq ivalent circ it – ef ective internal resistan e – DC method 1
4 7.2.3 Eq ipment 15 7.2.4 Me s rement of o en-circ it voltage U oc (OCV) an closed circ it voltage U c (CCV) 15 7.2.5 Calc lation of the internal resistan e R i 16 7.2.6 Me s rement of the ca acity 16 7.2.7 Calc lation of the internal resistan e R i d rin dis harge in case of method A (o tional) 18 7.3 Test method for determinin the resistan e to le k ge 20 7.3.1 Precon itionin an initial vis al examination 20 7.3.2 Hig temp rature an h midity test 2
7.3.3 Test by temp rature c cles 2
8 Vis al examination an ac e tan e con ition 21
8.1 Precon itionin 21
8.2 Mag ification 21
8.3 Lig tin 21
8.4 L a age levels an clas ification 21
Trang 5An ex A (normative) Desig ation 2
Bibl ogra h 2
Fig re 1 – Dimen ional drawin 8
Fig re 2 – Sha e of negative terminal 1
Fig re 3 – Sha e req irement 14 Fig re 4 – Sc ematic voltage tran ient 14 Fig re 5 – Curve: U = f(t) 15 Fig re 6 – Circ itry prin iple 16 Fig re 7 – Circ itry prin iple for method A 17 Fig re 8 – Circ itry prin iple for method B 18 Fig re 9 – Test by temp rature c cles 2
Ta le 1 – Dimen ion an size codes 9
Ta le 2 – Dimen ion an size codes 10 Ta le 3 – Minimum values of l 1
Ta le 4 – Ap l ed force F by b t ery dimen ion 1
Ta le 5 – Stan ardised electroc emical s stems 12 Ta le 6 – Test method for U c (CCV) me s rement 16 Ta le 7 – Test method A for U c (CCV) me s rement 17 Ta le 8 – Dis harge resistan e (values) 19 Ta le 9 – Storage con ition for the recommen ed test 2
Ta le 10 – Storage con ition for o tional test 2
Ta le 1 – L a age levels an clas ification ( of 2) 2
Trang 6INTERNATIONAL ELECTROTECHNICAL COMMISSION
Part 3: Watch bat eries
1) Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org nizatio for sta d rdizatio c mprisin
al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote
intern tio al c -o eratio o al q estio s c n ernin sta d rdizatio in th ele tric l a d ele tro ic fields To
this e d a d in a ditio to oth r a tivities, IEC p blsh s Intern tio al Sta d rds, Te h ic l Sp cific tio s,
Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re fer refere to as “IEC
Pu lc tio (s)”) Th ir pre aratio is e truste to te h ic l c mmite s; a y IEC Natio al Commite intereste
in th su je t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n
n-g v rnme tal org nizatio s laisin with th IEC also p rticip te in this pre aratio IEC c la orates closely
with th Intern tio al Org nizatio for Sta d rdizatio (ISO) in a c rd n e with c n itio s d termin d b
a re me t b twe n th two org nizatio s
2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pres , as n arly as p s ible, a intern tio al
c nse sus of o inio o th rele a t su je ts sin e e c te h ic l c mmite h s re rese tatio from al
intereste IEC Natio al Commite s
3) IEC Pu lc tio s h v th form of re omme d tio s for intern tio al use a d are a c pte b IEC Natio al
Commite s in th t se se Whie al re so a le eforts are ma e to e sure th t th te h ic l c nte t of IEC
Pu lc tio s is a c rate, IEC c n ot b h ld resp nsible for th wa in whic th y are use or for a y
misinterpretatio b a y e d user
4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s
tra sp re tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e
b twe n a y IEC Pu lc tio a d th c r esp n in n tio al or re io al p blc tio sh l b cle rly in ic te in
th later
5) IEC itself d es n t pro id a y atestatio of c nformity In e e d nt c rtific tio b dies pro id c nformity
as es me t servic s a d, in some are s, a c s to IEC marks of c nformity IEC is n t resp nsible for a y
servic s c rie o t b in e e d nt c rtific tio b dies
6) Al users sh uld e sure th t th y h v th latest e itio of this p blc tio
7) No la i ty sh l ata h to IEC or its dire tors, emplo e s, serv nts or a e ts in lu in in ivid al e p rts a d
memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rso al injury, pro erty d ma e or
oth r d ma e of a y n ture wh tso v r, wh th r dire t or in ire t, or for c sts (in lu in le al fe s) a d
e p nses arisin o t of th p blc tio , use of, or rela c u o , this IEC Pu lc tio or a y oth r IEC
Pu lc tio s
8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Use of th refere c d p blc tio s is
in isp nsa le for th c re t a plc tio of this p blc tio
9) Ate tio is drawn to th p s ibi ty th t some of th eleme ts of this IEC Pu lc tio ma b th su je t of
p te t rig ts IEC sh l n t b h ld resp nsible for id ntifyin a y or al su h p te t rig ts
International Stan ard IEC 6 0 6-3 has b en pre ared by IEC tec nical commite 3 :
Primary cel s an b t eries, an ISO tec nical commit e 1 4: Horolog
This fourth edition can els an re laces the third edition publ s ed in 2 1 This edition
con titutes a tec nical revision
This edition in lu es the fol owin sig ificant tec nical c an es with resp ct to the previou
edition:
a) A harmonization of the cel sizes an service output tests with IEC 6 0 6-2;
b) Clarification of Clau es 6: Sampln an Qual ty As uran e, 7: Test method , an 8:
Vis al examination an ac e tan e con ition;
Trang 7This publcation is publ s ed as a double logo stan ard.
The text of this stan ard is b sed on the fol owin doc ments:
Ful information on the votin for the a proval of this stan ard can b fou d in the re ort on
votin in icated in the a ove ta le
This publcation has b en drafed in ac ordan e with the ISO/IEC Directives, Part 2
A l st of al p rts in the IEC 6 0 6 series, publ s ed u der the general title Primary b ateries,
can b fou d on the IEC we site
The commit e has decided that the contents of this publcation wi remain u c an ed u ti
the sta i ty date in icated on the IEC we site un er "htp:/we store.iec.c " in the data
related to the sp cific publ cation At this date, the publ cation wi b
• reconfirmed,
• with rawn,
• re laced by a revised edition, or
• amen ed
Trang 8This p rt of IEC 6 0 6 provides sp cific req irements an information for primary watc
b t eries This p rt of IEC 6 0 6 was pre ared throu h joint work b twe n the IEC an ISO to
b nefit primary b t ery u ers, watc desig ers an b t ery man facturers by en urin the
b st comp tibi ty b twe n b t eries an watc es
This p rt of IEC 6 0 6 wi remain u der contin al s rutin to en ure that the publ cation is
k pt up to date with the ad an es in b th b t ery an watc tec nologies
NOT Safety informatio is a aia le in IEC 6 0 6-4 a d IEC 6 0 6-5
Trang 9PRIMARY BATTERIES –
Part 3: Watch bat eries
This p rt of IEC 6 0 6 sp cifies dimen ion , desig ation, method of tests an req irements
for primary b teries for watc es In several cases, a men of test method is given When
presentin b tery electrical c aracteristic an /or p rforman e data, the man facturer
sp cifies whic test method was u ed
The folowin doc ments, in whole or in p rt, are normatively referen ed in this doc ment an
are in isp n a le for its a pl cation For dated referen es, only the edition cited a pl es For
u dated referen es, the latest edition of the referen ed doc ment (in lu in an
amen ments) a pl es
IEC 6 0 6-1:2 15, Primary b aterie s – Part 1: G en ral
IEC 6 0 6-2:2 15, Prim ary b ateries – Part 2: Ph sical a d electricalsp e cificato s
IEC 6 0 6-4:2 14, Prim ary b ateries – Part 4: Safety of l hium b ateries
IEC 6 0 6-5:- , Primary b aterie s – Part 5: Safety of b ate ries wih a ueous electrolyte
3 Terms and definitions
For the purp ses of this doc ment, the terms an definition given in IEC 6 0 6-1 as wel as
the fol owin terms an definition a ply
electric c arge (q antity of electricity) whic a cel or b t ery can delver u der sp cified
dis harge con ition
Note 1 to e try: Th SI u it for ele tric c arg is th c ulomb (1 C = 1 As) b t, in pra tic , c p city is usu ly
e pres e inamp re h urs (Ah)
3.3
fre h bat ery
u dis harged b t ery 6 day maximum afer date of man facture
Trang 103.4
ohmic drop
p rt of the internal resistan e that le d to a voltage dro immediately af er switc in the lo d
on
4 Physical requirements
4.1 Bat ery dime sions, s mbols a d size code
Dimen ion an toleran es of b teries for watc es s al b in ac ordan e with Fig re 1,
Ta le 1 an Ta le 2 The dimen ion of the b teries s al b tested in ac ordan e with 7.1
The s mb ls u ed to denote the variou dimen ion in Fig re 1 are in ac ordan e with
minimum diameter of th flat n g tiv c nta t
NOT This n mb rin folows th h rmo izatio in th IEC 6 0 6 series
Trang 12NOT Op n b x s in th a o e matrix are n t n c s ariy a aia le for sta d rdisatio d e to th c n e t of
o erla pin tolera c s
Ta les 1 an 2 This is not a pl ed to those b t eries with a two-ste
negative contact
Positive contact (+): the c l n rical s rface is con ected to the p sitive terminal Positive
contact s ould b made to the side of the b t ery but may b made to
the b se
4.3 Proje tion of the n gativ termin l (h
5)
2
≥ 2,5
The negative contact s ould b the hig est p int of the b t ery
4.4 Shape of ne ativ terminal
The sp ce req irements s al b contained within an an le of 4 ° (see Fig re 2)
The minimum values of l
1, for dif erent heig ts of h
1h
2, are given in Ta le 3
Trang 13Figure 2 – Shape of ne ativ terminal
Table 3 – Minimum v lue of l
D ime sio s in mi imetres
h
1h
2
3,6 ≤ h
1h
2
5,4 ≤ h
1h
2
0,9
A force F (N), as sp cified in Ta le 4, a pl ed for 10 s throu h a ste l b l of 1 mm diameter,
at the centre of e c contact are , s al not cau e an deformation preju icial to the pro er
fu ctionin of the b t ery, i.e afer this test, the b tery s al p s the tests sp cified in
Clau e 7
Table 4 – Appl e forc F by bat ery dime sion
d
1
h
1h
The dimen ion of b teries s al conform with the relevant sp cified dimen ion at al times
in lu in dis harge to the defined en -p int voltage
NOT 1 A b tery h ig t in re se u to 0,2 mm c no c r, if disc arg d b low this v lta e
NOT 2 A b tery h ig t d cre se c n o c r in Ba d Csystemsas disc arg c ntin es
Un is harged b t eries an , if req ired, b t eries tested ac ordin to 7.2.6 s al b examined
as stated in 7.3 The ac e ta le n mb r of defects s al b agre d b twe n the man facturer
Trang 144.8 Marking
The desig ation an the p larity s al b mark d on the b t ery Batery markin s ould not
imp de electrical contact Al other markin s may b given on the p ckin in te d of on the
b t ery:
a) desig ation ac ordin to normative An ex A, or common;
b) expiration of a recommen ed u age p riod or ye r an month or we k of man facture;
The ye r an month or we k of man facture may b in code The code is comp sed by
the last digit of the ye r an by a n mb r in icatin the month Octo er, Novemb r an
Decemb r s ould b re resented by the let ers O, Y an Z resp ctively
e) name or trade mark of the s p l er;
f cautionary ad ice;
g) caution for in estion of b t eries s al b given Refer to IEC 6 0 6-4:2 14 (7.2 a) an 9.2)
The req irements con ernin the electroc emical s stem, the nominal voltage, the en -p int
voltage an the o en-circ it voltage are given in Ta le 5
Table 5 – Sta dardis d ele troc emic l s stems
Trang 155.2 Clos d circ it volta e U
c(CCV), internal re ista c a d impe a c
Closed circ it voltage an internal resistan e s al b me s red ac ordin to 7.2
AC imp dan e s ould b me s red with an LCR meter
Limit values s al b agre d b twe n the man facturer an the purc aser
5.3 Capa ity
The ca acity s al b agre d b twe n the man facturer an the purc aser on the b sis of a
contin ou dis harge test lastin a proximately 3 day , ac ordin to 7.2.6
5.4 Capa ity rete tion
The ca acity retention is the ratio b twe n the ca acities u der the given dis harge
con ition me s red on fres b teries an a sample of the same lot stored d rin 3 5 day
at (2 ± 2) °C an a relative h midity b twe n 5 ± 2 %
The ratio of ca acity retention s al b agre d b twe n the man facturer an the purc aser
The minimum value s ould b at le st 9 % for a p riod of 12 month The ca acity
me s rement is car ied out ac ordin to 7.2.6
For the purp se of verifyin compl an e with this stan ard, con itional ac e tan e may b
given afer completion of the initial ca acity tests
Trang 16Figure 3 – Shape re uireme t
7.2 Ele tric l c ara teristic
7.2.1 En ironme tal conditions
Unles otherwise sp cified, the sample b t eries s al b tested at a temp rature of
(2 ± 2) °C an a relative h midity b twe n 5 + 2 / – 4 %
Durin u e, b t eries may b exp sed to low temp ratures; it is therefore recommen ed to
car y out complementary tests at (0 ± 2) °C an at (–10 ± 2) °C
7.2.2 Eq iv le t circ it – ef e tiv internal re ista c – DC method
Resistan e of an electrical comp nent determined by calc latin the ratio b twe n the
voltage dro ∆U acros this comp nent an the ran e of c r ent ∆i p s in throu h this
comp nent an cau in the voltage dro R = ∆U / ∆i
NOT As a a alo y, th intern l d.c resista c R
i
of a y ele tro h mic l c l is d fin d b th folowin relatio :
)(
)(
)(
AV
i
iU
R
∆
∆
=Ω
2t
1
U
2 (
2)
U
2
= ƒ(
2, t)
Trang 17As can b se n from the diagram in Fig re 4, the voltage dro ∆U of the two comp nents
dif ers in nature, as s own in the fol owin relation:
1) is in e en ent of time (ohmic dro ), an res lts from the
in re se in c r ent ∆i ac ordin to the relation:
is a pure ohmic resistan e The secon comp nent ∆U (t) is time
de en ent an is of electroc emical origin (ca acitive re ctan e)
7.2.3 Equipme t
The eq ipment u ed for the voltage me s rements s al have the fol owin sp cification :
– precision: ≤ 0 % of last digit;
– internal resistan e: ≥1 MΩ;
– me s rement time: in the tests pro osed in the fol owin s bclau es, it is imp rtant to
ma e s re that the me s rement is ta en d rin the flat p riod of
the voltage tran ient (se Fig re 5) Otherwise, a me s rement er or
d e to the ca acitive re ctan e may oc ur (lower internal resistan e)
The time ∆t ' neces ary for the me s rement s al b brief in comp rison to ∆t , an the
me s rement eq ipment comp tible with these criteria
Ke
1 o e -circ it v lta e U
oc(OC )
2 efe t of c p citiv re cta c
3 close circ it v lta e U
c(C V)
4 ∆t' me sureme t U
c)
Figure 5 – Curv : U = f(t)
7.2.4 Me s reme t of ope -circ it volta e U
oc(OCV) a d clos d circ it volta e
out
c: The b t ery b in tested s al b con ected to the lo d R
m The
Trang 18Te t metho Bat ery with K H ele t olyte
R sh uld ta e into c nsid ratio th resista c of th c n e tio ln s of th b tery b in teste a d th
c nta t resista c of th switc
co
i
/RU
UU
7.2.6 Me s reme t of the c pa ity
There are two method for me s rin ca acity:
– the recommen ed method is method A, whic is more in icative of watc req irements;
– method B is a more general method an is alre d sp cified in IEC 6 0 6-1 an
Trang 19resista c of c ntin o s disc arg
Fig re 7 – Circ itry principle for method A
s al in lu e al p rts of the external circ it an s al b ac urate to within ± ,5 %
c) Determination of the ca acity
The me s rements of the o en-circ it voltage U'
The switc is lef o en whie the me s rement is bein car ied out
2) Next me s rement U
c: the b tery b in tested is con ected to R
m The switc is lef
closed d rin the d ration ∆t ac ordin to Ta le 7
Table 7 – Te t method A for U
c(CCV) me s reme t
formula:
d
io
p
R
tU
Trang 20resista c of c ntin o s disc arg
Fig re 8 – Circ itry principle for method B
b) Se proced re in 7.2.6.2 b)
c) Determination of the ca acity: when the on-lo d voltage of the b t ery u der test dro s for
the first time b low the sp cified en p int as sp cified in Ta le 5, the time t is calc lated
an defined as service l fe
The ca acity is calc lated by the fol owin formula:
t
RU
C
dc
)aver age(
7.2.7 Calc lation of the internal re ista c R
is car ied out ac ordin to the proced re des rib d
in 7.2.6, it is p s ible to calc late the internal resistan e R
i
of the b tery u in the folowin
formula:
mc
co
i
/'
RU
UU
Trang 21Table 8 – Dis harge re ista c (v lue )
Trang 227.3 Te t methods for determining the re ista c to le k ge
7.3.1 Pre on itionin a d initial vis al e amin tion
Before car yin out the tests sp cified in 7.3.2 an 7.3.3, the b t eries s al b s bmit ed to a
vis al examination ac ordin to the req irements stated in Clau e 8
For tests in 7.3.2.1 an 7.3.2.2, b teries s al b pre-stored at the sp cified temp rature
(4 °C an 4 °C resp ctively) for 2 h Bat eries s al b moved from the precon itionin
(alternative pre-stored) c amb r (or oven) into the hig temp rature an h midity test
c amb r within min tes in order to avoid co l n of the b tery an the risk of con en ation at
elevated h midity
7.3.2 High temperature a d humidity te t
The b tery s al b stored u der the con ition sp cified in Ta le 9
Table 9 – Stora e conditions for the re omme de te t
4 ± 2
Th test time of 3 d ys ma b use for a a c lerate ro tin q alty c ntrol test, wh re s th test time of
9 d ys a ples to q alfic tio testin of n w b teries
7.3.2.2 Optional te t
Afer agre ment b twe n the man facturer an purc aser, the fol owin testin con ition
may b c osen (se Ta le 10)
Table 10 – Stora e condition for o tional te t
4 ± 2
Th test time of 2 d ys ma b use for a a c lerate ro tin q alty c ntrol test, wh re s th test time of
6 d ys a ples to q alfic tio testin of n w b teries
Trang 238 Visual examination and ac epta ce conditions
8.1 Pre on itionin
Before car yin out the initial vis al examination or af er the tests sp cified in Clau e 7, the
b t eries s al b stored for at le st 2 h at ro m temp rature an at a relative h midity
The le k ge s ould b o served af er cry tal sation of the electrolyte The time of the
storage of 2 h can b prolon ed if neces ary This examination may b a pl ed to new or
u ed b teries, or to b t eries whic have b en s bmit ed to diferent tests
8.2 Ma nific tion
The vis al examination s al b car ied out at a mag ification of x15
8.3 Lig ting
The vis al examination s al b car ied out u der a difu e white l g t of 9 0 lx to 1 10 lx at
the s rface of the b tery to b in p cted
8.4 Le k g le els a d cla sific tion
The vis al examination s al b car ied out u der a difu e white l g t of 9 0 lx to 1 10 lx at
the s rface of the b tery to b in p cted (Se Ta le 1 )
Trang 25Th a c mulatio of crystal se lq id
c min from th ele trolyte swels u
o p rt of th clo d spre d, whic
c v rs th e tire surfa e of th flat
n g tiv c nta t
L
Th a c mulatio of crystal se lq id
c min from th ele trolyte swels u
o th e tire clo d spre d, whic
c v rs th e tire surfa e of th flat
n g tiv c nta t
The ac e ta le level, as wel as the pro ortion of defective pieces, s al b agre d b twe n
the man facturer an the purc aser
Fres b teries, with a level of le k ge ex e din S1, s al not b s bmit ed for q al fication
The ac e tan e criteria may b les restrictive for b teries whic have b en tested ac ordin
to 7.3.2 If neces ary, photogra hic referen es may b esta ls ed
IEC IEC
Trang 26Annex A
(normative)
Designation
Watc b teries man factured with the expres purp se of complyin with this stan ard
s ould b desig ated by a s stem of coded leters an n mb rs as s own b low However,
– P: Potas ium h dro id KOH (o tio al)
L ter P ma b lef o t in th c se of ele tro h mic l system leter S
– Org nic ele trolyte: n l
L ter W: c mpla c with IEC 6 0 6-3
Trang 27Bibl ography
IEC 6 0 8-2-7 :2 01, En iro me ntal testn – Part 2-78: Tests – Test Cab : Damp h at,
ste dy state
ISO 8 01:2 0 , Data eleme nts a d inte rch nge formats – Informato interch n e –
Rep rese ntato of date s a d tmes
ISO 2 5 , Sampln p rocedure s for insp e cto b y atrib u tes p ack ge
ISO 217 7, Statstcal meth ds – Proce ss p erforma ce a d cap ab il y statstc forme sured
qual y ch racteristc