JP2020004663A5 - - Google Patents
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- Publication number
- JP2020004663A5 JP2020004663A5 JP2018125358A JP2018125358A JP2020004663A5 JP 2020004663 A5 JP2020004663 A5 JP 2020004663A5 JP 2018125358 A JP2018125358 A JP 2018125358A JP 2018125358 A JP2018125358 A JP 2018125358A JP 2020004663 A5 JP2020004663 A5 JP 2020004663A5
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- lithium
- active material
- lithium ion
- hole
- 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
Links
- 229910052744 lithium Inorganic materials 0.000 claims description 73
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 72
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 67
- 229910001416 lithium ion Inorganic materials 0.000 claims description 67
- 239000007773 negative electrode material Substances 0.000 claims description 52
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 29
- 229910052710 silicon Inorganic materials 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 239000011888 foil Substances 0.000 description 16
- 239000007774 positive electrode material Substances 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- 230000002427 irreversible effect Effects 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 239000011230 binding agent Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 239000011149 active material Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 229920000098 polyolefin Polymers 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 239000006230 acetylene black Substances 0.000 description 5
- 239000002482 conductive additive Substances 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 229920005575 poly(amic acid) Polymers 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 229910000676 Si alloy Inorganic materials 0.000 description 3
- 239000006183 anode active material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229910002995 LiNi0.8Co0.15Al0.05O2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920005822 acrylic binder Polymers 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000011856 silicon-based particle Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- ZYXUQEDFWHDILZ-UHFFFAOYSA-N [Ni].[Mn].[Li] Chemical compound [Ni].[Mn].[Li] ZYXUQEDFWHDILZ-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011887 silicon containing negative electrode material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018125358A JP2020004663A (ja) | 2018-06-29 | 2018-06-29 | リチウムイオン電池用負極およびその負極を用いたリチウムイオン電池、リチウムイオン電池の製造方法 |
| PCT/JP2019/025356 WO2020004453A1 (ja) | 2018-06-29 | 2019-06-26 | リチウムイオン電池用負極およびその負極を用いたリチウムイオン電池、リチウムイオン電池の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018125358A JP2020004663A (ja) | 2018-06-29 | 2018-06-29 | リチウムイオン電池用負極およびその負極を用いたリチウムイオン電池、リチウムイオン電池の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020004663A JP2020004663A (ja) | 2020-01-09 |
| JP2020004663A5 true JP2020004663A5 (enExample) | 2020-02-20 |
Family
ID=68984876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018125358A Pending JP2020004663A (ja) | 2018-06-29 | 2018-06-29 | リチウムイオン電池用負極およびその負極を用いたリチウムイオン電池、リチウムイオン電池の製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2020004663A (enExample) |
| WO (1) | WO2020004453A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786896B (zh) * | 2021-02-18 | 2025-11-28 | 上海兰钧新能源科技有限公司 | 新型负极结构及电池 |
| WO2023007919A1 (ja) * | 2021-07-28 | 2023-02-02 | パナソニックＩｐマネジメント株式会社 | 電池およびその製造方法 |
| EP4564468A4 (en) * | 2023-01-03 | 2025-11-19 | Contemporary Amperex Technology Hong Kong Ltd | NEGATIVE ELECTRODE SHEET, ITS PREPARATION PROCESS, BATTERY AND ELECTRICAL DEVICE |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012138408A (ja) * | 2010-12-24 | 2012-07-19 | Nec Tokin Corp | 電気化学デバイスおよびその製造方法 |
| JP6448336B2 (ja) * | 2014-12-04 | 2019-01-09 | 積水化学工業株式会社 | リチウムイオン二次電池の製造方法 |
| WO2017022734A1 (ja) * | 2015-08-04 | 2017-02-09 | 三井化学株式会社 | リチウムイオン二次電池用負極及びこれを含むリチウムイオン二次電池、並びにリチウムイオン二次電池用負極の製造方法 |
| JP2017120746A (ja) * | 2015-12-29 | 2017-07-06 | 日立マクセル株式会社 | リチウムイオン二次電池 |
-
2018
- 2018-06-29 JP JP2018125358A patent/JP2020004663A/ja active Pending
-
2019
- 2019-06-26 WO PCT/JP2019/025356 patent/WO2020004453A1/ja not_active Ceased
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