JP2018056436A5 - - Google Patents
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- JP2018056436A5 JP2018056436A5 JP2016192671A JP2016192671A JP2018056436A5 JP 2018056436 A5 JP2018056436 A5 JP 2018056436A5 JP 2016192671 A JP2016192671 A JP 2016192671A JP 2016192671 A JP2016192671 A JP 2016192671A JP 2018056436 A5 JP2018056436 A5 JP 2018056436A5
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- JP
- Japan
- Prior art keywords
- active material
- negative electrode
- electrode active
- lithium
- material layer
- 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.)
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- 239000007773 negative electrode material Substances 0.000 claims 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 7
- 229910052744 lithium Inorganic materials 0.000 claims 7
- 150000002642 lithium compounds Chemical class 0.000 claims 5
- 239000007774 positive electrode material Substances 0.000 claims 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims 3
- 229910001416 lithium ion Inorganic materials 0.000 claims 3
- 239000011149 active material Substances 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 229910001947 lithium oxide Inorganic materials 0.000 claims 1
- 239000011255 nonaqueous electrolyte Substances 0.000 claims 1
Claims (4)
リチウムイオンを含む非水系電解液；
を含む非水系リチウム蓄電素子であって、
前記正極の正極集電体上に、前記活物質及び前記リチウム化合物から成る少なくとも１つの正極活物質層が塗布されており、
前記負極の負極集電体上に、前記リチウムイオンを吸蔵及び放出可能な負極活物質から成る少なくとも１つの負極活物質層が塗布されており、かつ
前記負極のうちで前記扁平捲回電極体の最外層に配置された負極において、前記正極活物質層と対向している負極活物質層の曲部におけるリチウムイオン濃度をＡｘ１（質量％）とし、かつ該負極活物質層の扁平部におけるリチウムイオン濃度をＡｙ１（質量％）とするとき、Ａｘ１／Ａｙ１が０．２５以上０．９５以下である、
前記非水系リチウム蓄電素子。 A flat winding comprising at least one positive electrode containing a lithium compound other than the active material, at least one negative electrode, and at least one separator, and winding the positive electrode and the negative electrode in a flat shape through the separator. An electrode body; and a non-aqueous electrolyte containing lithium ions;
A non-aqueous lithium storage element comprising:
On the positive electrode current collector of the positive electrode, at least one positive electrode active material layer composed of the active material and the lithium compound is applied,
On the negative electrode current collector of the negative electrode, at least one negative electrode active material layer made of a negative electrode active material capable of occluding and releasing lithium ions is applied, and among the negative electrodes, the flat wound electrode body In the negative electrode disposed in the outermost layer, the lithium ion concentration in the curved portion of the negative electrode active material layer facing the positive electrode active material layer is A x1 (mass%), and the lithium in the flat portion of the negative electrode active material layer When the ion concentration is A y1 (mass%), A x1 / A y1 is 0.25 or more and 0.95 or less.
The non-aqueous lithium storage element.
前記負極活物質層の前記曲部と対向する前記正極活物質層に含まれる前記リチウム化合物の量をＣｘ１（ｇ／ｍ２）とし、前記負極活物質層の前記扁平部と対向する前記正極活物質層に含まれる前記リチウム化合物の量をＣｙ１（ｇ／ｍ２）とするとき、Ｃｘ１及びＣｙ１はそれぞれ０．１以上２０以下であり、かつＣｙ１／Ｃｘ１が０．２５以上０．９５以下である、
請求項１〜３のいずれか１項に記載の非水系リチウム蓄電素子。 The lithium compound is lithium carbonate, lithium oxide, or lithium hydroxide, and the amount of the lithium compound contained in the positive electrode active material layer facing the curved portion of the negative electrode active material layer is expressed as C x1 (g / m 2 ), and when the amount of the lithium compound contained in the positive electrode active material layer facing the flat portion of the negative electrode active material layer is C y1 (g / m 2 ), C x1 and C y1 are respectively 0.1 or more and 20 or less, and C y1 / C x1 is 0.25 or more and 0.95 or less.
The non-aqueous lithium electrical storage element of any one of Claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016192671A JP6698493B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016192671A JP6698493B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018056436A JP2018056436A (en) | 2018-04-05 |
| JP2018056436A5 true JP2018056436A5 (en) | 2019-09-05 |
| JP6698493B2 JP6698493B2 (en) | 2020-05-27 |
Family
ID=61834337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016192671A Active JP6698493B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6698493B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020191384A (en) * | 2019-05-22 | 2020-11-26 | 旭化成株式会社 | Positive electrode precursor and non-aqueous lithium storage device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010225291A (en) * | 2009-03-19 | 2010-10-07 | Toyota Motor Corp | Lithium-ion secondary battery and method of manufacturing the same |
| WO2013030878A1 (en) * | 2011-08-30 | 2013-03-07 | トヨタ自動車株式会社 | Lithium-ion secondary battery, battery stack, and lithium-ion secondary battery manufacturing method |
| WO2014091957A1 (en) * | 2012-12-13 | 2014-06-19 | Ｊｍエナジー株式会社 | Method for manufacturing electricity-storage device, and electricity-storage device |
| JP6262432B2 (en) * | 2013-01-25 | 2018-01-17 | 旭化成株式会社 | Method for manufacturing lithium ion capacitor |
| JP2016012620A (en) * | 2014-06-27 | 2016-01-21 | 株式会社豊田自動織機 | Pre-doping agent, positive electrode for lithium ion capacitor, and lithium ion capacitor and manufacturing method of the same |
-
2016
- 2016-09-30 JP JP2016192671A patent/JP6698493B2/en active Active
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