1331comֳdzұվͼվͼӭʹѻ豸ҵ

1331comֳdz

ʪɢĥ豸ҡ/Һ/ۻʪɢϵͳIDS-Ӧm50nm

ȫߣŵʱ18020-8278922813713517221

-ߵİٿȫ

dz̸ʯīϩ﮵صķչ

༭ RUCCA ༭ 1331comֳdz Դ www.rujiagz.com ڣ 2020.04.23
ϢժҪ
ӵؾиܶȡ޼ЧӦŵ㣬ѸȡӼȴͳεصĵλĿǰ﮵ؼƿġ

ӵؾиܶȡ޼ЧӦŵ㣬ѸȡӼȴͳεصĵλĿǰ﮵ؼƿȡͻƣܶȲлʯīϩ﮵ܸһ¥Ĺؼڡ

ӵطչͷϿ죬1991ձSONY()ȽƷгռʳӣʮ꣬ȫֵͳӺصܺ͡ŶвϺ͵ƼĸĽԼ²ϵij֣ӵӦһֱϵرչǽ3CӲƷ׷ᡢ̡СӵѳΪȽϺõѡ

ȫ﮵Ӧгģжȶijɳ˼еǻֻƽг⣬﮵صӦжԴϵϵͳ綯ȵӦϡԴ𽥺Ľ߼ʶǵԴܵӣܵĵ綯δ빲ʶҲͶԴе綯ؼصĿ

ȫ綯ͷ˹(Tesla)ѾձPanasonicкͬ½о2020꣬ҳع(Gigafactory)ÿĵؿɹ50綯ʹã2013ȫعIJܺ͡IEK綯﮵Ԥ綯﮵г2011Եijɳ2018ΪֹӦӵΪԴĵ綯бԳɳ

ˣӵص;ΪΣ񲻶ϵߣʴĪѰܵĽеҲʯīϩ(Graphene)ӵӦôȽϺ

dz̸ʯīϩ﮵صķչ

ʯīϩѧܼѵӦDZ

ʯīϩ̼ԭгɵ䳲״Ķά壬sp2ɹɣȽһ̼ԭֱ0.34nmĿǰҲӲIJϡصѧַ棬һԭӲĺȣȴӵ130GPaǿȣԶڲְٱϣȴԼķ֮һѧʷ棬ʯīϩȴϵı֣Խκ֪IJϣ޻ijصʯīϩ⵽20004000W/mK***ֵʯκνϣѧʷ棬ʯīϩвΧĹ⴩͸ȶﵽ97.7%ʯīϩIJӶ٣˵Ǽȫ͸IJϣѧʷ棬10-6.cmͭͣΪĿǰ֪µȽϵҵǨʸߴ2.105cm2/V.s10ϡ

Щصĵɻеʹüʯīϩĸϲϸ๦ֳܻѧѧܣļӹܣΪӦµƪ¡

dz̸ʯīϩ﮵صķչ

ʯīϩҺƿ

зdzʯīϩȡͳ̼ΪӼʯīϩĸߵӵغͳĹܶȣҲdz˾޵ݡȻʵҵóľ޷ڲƷʱõ֣ҲĴ

־޴ԭʯīϩײϣѻܶȼӴʯīϩ໥֮䷲߶(vanderWaalsForce)ɵž󣬶ӰʯīϩӦõķԡʯīϩ治ˮԣԶлܼҲݣ˵ʯīϩһֲʱžء

ʵҽзdzСʵʱԣǿԿ򵥵ĻеֹʽڴʱʯīϩϿʼͶԻ豸Ŀ飬һڽʱž豸𻵣޷ȵطɢʯīϩҲЧܲԤڵĽ

Ȼһֱ÷ɢʯīϩž۵⣬Ȼ϶ķɢڷɢʯīϩЧܻΪ迹ʯīϩĵܣڵ绯ѧװãرӵضԣɢܷڲͬѹǸߵѹѭȶڣӦӰ찲ȫԵǣǸҪĿˣڼеIJ½ž۵ֲıʯīϩĵԣʯīϩƷļֵѧֵ 1331comֳʵ1331comֳǡNϵ1331comֳרҵ׼ϵʪĥ豸.

һӵس̵ʵʵʹʯīϩܴĪĺôʹ÷ʽԭһеƳʹеƳ豸ڲκƳ̲豸µʯīϩΪκƳ̵ĸ豸ĸı䣬Ƴ̵ıֱӲƷɱһ²϶ԣӳʱ̡

۹еӵƳ̣Ϸձþƫϩ(PVDF)Ϊ缫N-׻ͪ(NMP)ΪPVDFԼ콬ܼ;ڸ棬ʹˮΪ콬ܼ󲿷ʹȼ׻ά(CMC)Լ(SBR)Ϊɷ֡ҪҪʯīϩ˳ӵӦãȽϺ÷ǽʯīϩԤȾȷɢNMPˮܼУòҪʹгɷIJΪӼ

ǰ£ܽһṩŨɢҺԽһɱʯīϩNMPҺ棬гпṩȽϸŨȴ6wt%ʯīϩҺηɢʹʱֻҪNMPϡŨȣ˳νӼƳ;ˮҺ棬гҲпṩŨΪ5wt%ˮҺȻʯīϩˮԶҪӷɢǷɢ3.8VȶѭԵ缫ϻӵزӰ졣ƪʯīϩNMPҺֲͬϵĽ1331comֳרҵʪɢĥ豸Ϊĥ豸


ʯīϩҺЧǿ

̼ĿǰʹΪ***ӵصҪл(Ȼ͵)ȫȼջȷֽõͨ´䵼봿ȡʯīҲ̼ɣ̼Ԫصһͬ칹壬ʯīĵҪȡĺ̼ʯī̶ȡС̬ءһ㴫ͳڵص缫еĵΪ̼ڶʯīҪسӵ۱ĵ⣬뵼ڸеķֲ״̬йء

̼ͬںʯī̼ڵıرȽСڸϲռ˸ʣγɵ·ӶñʯīϸõĵЧʯīϩ̼ڣͬӵиԼ·⣬ߴ250ml/100gҲڵʵʯīϩԣиõѹԣڵؼƬļӹӵصܶȡ

ڷֱϲͬӼ(:̼, :ʯīϩ)缫ṹģе·Ƚ,﮵ĻѧʽΪLiCoO2(LCO)ڦ-NaFeO2״ṹLi1-xCoO2ȫͳʱ(x=1)۵Ϊ273.8mAhg-1ʵʳУx>0.5ʱʹLiCoO2仯LiCoO2Ľṹ(Hexagonal)תΪб(Monoclinic)ɾԼ2.6%ʹṹȡ

˲ڳŵֹѹ4.2V2.7Vŵ0.2C£ʵʿõԼΪ140mAh/gLiCoO2ʵʿõֵֻһ롣ˣƳԼ򵥣־е绯ѧȶԣӦõϣĿǰѲƷĵгԾλ

ŶڵԼٳ﮲ѾﵽƿĿǰ***Ľ취߲ѹ4.5Vرijŵһ绯ѧӦзӦһ淴ӦĴڣڸ߹ʵijŵʱ޷ʱǶǶͻڱIJɲĵʹõؼ

ʯīϩĹ֮һڵи߹ʱάṹṩܹٵͨ;书֮Ӧ߲ѹͬʱӻΪߵѹѹեʹǶǶͬʱ̫ɵزϵı⣬͸ʯīϩıȷߵԲϵԳڣάֳʱѭΪͳ̼ڵһʱ1Cŵ4.5VߵѹĻµ15%ʹ2Cŵȶĵṩӭ3CӲƷԵ

(A)ΪLCOʯīϩҺ봫ͳ̼1C(3.0~4.5V)ĻµȽϣ(B)ʯīϩҺ0.2~2C(3.0~4.5V)ĵȽ.

ԪԪ﮵ļƣѧʽΪLi(NiMnCo)O2ΡΪԭϣʵҪĹ塣ԪΪĵر﮵ؽΪȫҳɱҲ﮵(>150mAh/g)ѹеҺƥ(4.1V)ȱƽ̨﮵ͣõķΧΪС͵ءԪϵϱΪǽ﮵мϣڳɱ﮵ػ˵£нϺõĸʳŵڡ

ԪϵҪʧ¶Ƚϵ(Լ190200)Բ뵼ȲѵȣΪ˽͵ȲѵСֻȱߵʪ졢ϲȶĸáˣΪϵ⣬ʹʯīϩΪ̼ģԪϵŵЧ100γŵУʹôͳ̼ΪĶԱȣ0.52.5wt%ʯīϩҺԪϵЧӳ˲

(A)ԪʯīϩҺ봫ͳ̼1C(3.0~4.4V)ĻµȽϣ(B)봫ͳ̼1C(3.0~4.4V)Ҿ100ȦĵȽ

ʯīϩƬ״ṹЧڲΧƵĵ·άһάϸо

⣬ʯīϩҺķɢԼѣշѹȼӹҲܼٲϵۻͿ㲻⡣ϵĻѧʽΪLiFePO4ʯṹ﮲ϵĽṹȶԼѣڳʱͷųԭӳΪнǿĹۼṹڹʱͷųҲбѵ

ΪĿǰоҷϻȫҪӦϣƫٳŵĵ綯복ûȻʵܶȵ(1.0g/cm3)ӵȵ(10-910-10S/cm)ɢʵ(10-1010-11cm2/s)Ϊͳ˲ŵ硢봿綯Ťϵĸ߷ŵ󣬸ҪЧϵĵԡ1Cŵ0.52.5wt%ʯīϩ̼ڵ15%

ʯīϩƴԪͳҰͳΪӵӵиܶ͹ܶȵԣӵи߹ܶܶȵԡȻⴢԪֽߣʯīϩϵ𽥱ơʯīϩĶάνṹԽĵʣ봢ԪУӵصĹܶͻܳܿٳŵߡ

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11331comֳתƷ(̳)ڴݸϢ֮ĿģеκηΣȨϵԱɾ

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