JP2016511916A5 - - Google Patents
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- JP2016511916A5 JP2016511916A5 JP2015555424A JP2015555424A JP2016511916A5 JP 2016511916 A5 JP2016511916 A5 JP 2016511916A5 JP 2015555424 A JP2015555424 A JP 2015555424A JP 2015555424 A JP2015555424 A JP 2015555424A JP 2016511916 A5 JP2016511916 A5 JP 2016511916A5
- Authority
- JP
- Japan
- Prior art keywords
- cell
- voltage
- capacity
- negative electrode
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000007599 discharging Methods 0.000 claims 6
- 239000003792 electrolyte Substances 0.000 claims 6
- 230000014759 maintenance of location Effects 0.000 claims 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 3
- 229910052744 lithium Inorganic materials 0.000 claims 3
- 229910001416 lithium ion Inorganic materials 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
Claims (11)
- a)負極をプレリチウム化(pre-lithiating)する工程;
b)負極、正極、セパレータおよび電解質を、密封されたセルに組み立てる工程;
c)電解質還元の電圧より高いが、負極の最大安全リチウム容量を超える(violate)電圧より低い電圧までセルを充電する工程;
d)セルを放電または部分的に放電する工程;ならびに
e)通常の完全電圧までセルを充電する工程
を含む、リチウムイオンセルの比容量および容量保持を最大にする方法。 - さらなるSEI消失を刺激するために、好ましくは徐々に高くなる電圧で、セルを放電し、部分充電工程を繰り返す、請求項1記載の方法。
- 最初の部分充電後、半日〜7日以上の間セルに高温を適用する、請求項1記載の方法。
- セル比容量および容積容量密度(volumetric capacity density)が上昇する、請求項1記載の方法。
- セル容量保持が上昇する、請求項1記載の方法。
- 形成サイクルを高温で行う、請求項1記載の方法。
- a)負極をプレリチウム化する工程;
b)負極、正極、セパレータおよび電解質を、密封されたセルに組み立てる工程;
c)セルを高温まで加熱する工程;
d)電解質還元の電圧より高いが、負極の最大安全リチウム容量を超える電圧より低い電圧までセルを充電する工程;
e)任意に、さらなるSEI消失を刺激するために、おそらく徐々に高くなる電圧でセルを放電し、上述の部分充電工程を繰り返す工程;
f)任意にセルを放電する工程;ならびに
g)通常の完全電圧までセルを充電する工程
を含む、リチウムイオンセルの比容量および容量保持を最大にする方法。 - セル比容量および容積容量密度が上昇する、請求項7記載の方法。
- セル容量保持が上昇する、請求項7記載の方法。
- 工程gの前に高い貯蔵工程を使用する、請求項7記載の方法。
- a)負極;
b)負極、正極、セパレータおよび電解質を、密封されたセルに組み立てる工程;
c)電解質還元の電圧より高いが、負極の最大安全リチウム容量を超える電圧より低い電圧までセルを充電する工程;
d)セルを放電または部分的に放電する工程;ならびに
e)通常の完全電圧までセルを充電する工程
を含む、リチウムイオンセルの比容量および容量保持を最大にする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758481P | 2013-01-30 | 2013-01-30 | |
US61/758,481 | 2013-01-30 | ||
PCT/US2014/013514 WO2014120718A1 (en) | 2013-01-30 | 2014-01-29 | Phased introduction of lithium into the pre-lithiated anode of a lithium ion electrochemical cell |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016511916A JP2016511916A (ja) | 2016-04-21 |
JP2016511916A5 true JP2016511916A5 (ja) | 2017-02-16 |
Family
ID=51262887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015555424A Pending JP2016511916A (ja) | 2013-01-30 | 2014-01-29 | リチウムイオン電気化学的セルのプレリチウム化負極へのリチウムの段階的導入 |
Country Status (7)
Country | Link |
---|---|
US (3) | US9748599B2 (ja) |
EP (1) | EP2951872B1 (ja) |
JP (1) | JP2016511916A (ja) |
KR (1) | KR102200911B1 (ja) |
CN (1) | CN104956522A (ja) |
ES (1) | ES2763631T3 (ja) |
WO (1) | WO2014120718A1 (ja) |
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-
2014
- 2014-01-29 JP JP2015555424A patent/JP2016511916A/ja active Pending
- 2014-01-29 CN CN201480006516.5A patent/CN104956522A/zh active Pending
- 2014-01-29 KR KR1020157023362A patent/KR102200911B1/ko active IP Right Grant
- 2014-01-29 WO PCT/US2014/013514 patent/WO2014120718A1/en active Application Filing
- 2014-01-29 ES ES14745418T patent/ES2763631T3/es active Active
- 2014-01-29 EP EP14745418.5A patent/EP2951872B1/en active Active
- 2014-01-29 US US14/167,076 patent/US9748599B2/en active Active
-
2017
- 2017-08-24 US US15/685,550 patent/US20180040914A1/en not_active Abandoned
-
2022
- 2022-09-23 US US17/951,891 patent/US20230117752A1/en active Pending
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