JP2018056439A5 - - Google Patents
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- JP2018056439A5 JP2018056439A5 JP2016192712A JP2016192712A JP2018056439A5 JP 2018056439 A5 JP2018056439 A5 JP 2018056439A5 JP 2016192712 A JP2016192712 A JP 2016192712A JP 2016192712 A JP2016192712 A JP 2016192712A JP 2018056439 A5 JP2018056439 A5 JP 2018056439A5
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- positive electrode
- active material
- negative electrode
- electrode active
- storage element
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- 239000007774 positive electrode material Substances 0.000 claims 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 16
- 229910052744 lithium Inorganic materials 0.000 claims 16
- 239000007773 negative electrode material Substances 0.000 claims 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 8
- 229910001416 lithium ion Inorganic materials 0.000 claims 8
- 150000002642 lithium compounds Chemical class 0.000 claims 6
- 239000003575 carbonaceous material Substances 0.000 claims 4
- 239000011255 nonaqueous electrolyte Substances 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000004146 energy storage Methods 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical group [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
Claims (6)
該負極が、負極集電体と、該負極集電体の片面上又は両面上に設けられた、負極活物質を含む負極活物質層とを有し、該負極活物質はリチウムイオンを吸蔵・放出できる炭素材料を含み、
該正極が、正極集電体と、該正極集電体の片面上又は両面上に設けられた、活性炭からなる正極活物質を含む正極活物質層とを有し、
該正極が、該正極活物質層の全質量を基準として、正極活物質以外のリチウム化合物を１質量％以上５０質量％以下含有し、かつ、
該非水系リチウム型蓄電素子を外部短絡させた時の正極電位が０．０８Ｖ以上２．００Ｖ以下であることを特徴とする、非水系リチウム型蓄電素子。 A non-aqueous lithium storage element comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing lithium ions,
The negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material provided on one or both surfaces of the negative electrode current collector, the negative electrode active material occludes lithium ions. Containing carbon material that can be released,
The positive electrode has a positive electrode current collector and a positive electrode active material layer including a positive electrode active material made of activated carbon provided on one or both surfaces of the positive electrode current collector,
The positive electrode contains 1% by mass to 50% by mass of a lithium compound other than the positive electrode active material, based on the total mass of the positive electrode active material layer, and
A non-aqueous lithium storage element, wherein a positive electrode potential when the non-aqueous lithium storage element is externally short-circuited is 0.08 V or more and 2.00 V or less.
該負極が、負極集電体と、該負極集電体の片面上又は両面上に設けられた、負極活物質を含む負極活物質層とを有し、該負極活物質はリチウムイオンを吸蔵・放出できる炭素材料を含み、
該正極が、正極集電体と、該正極集電体の片面上又は両面上に設けられた、活性炭からなる正極活物質を含む正極活物質層とを有し、
該正極が、該正極活物質層の全質量を基準として、正極活物質以外のリチウム化合物を１質量％以上５０質量％以下含有し、かつ、
該非水系リチウム型蓄電素子を外部短絡させた時の負極電位が０．０８Ｖ以上２．００Ｖ以下であり、そして
該非水系リチウム型蓄電素子において、初期の常温放電内部抵抗をＲａ（Ω）、静電容量をＦ（Ｆ）、電力量をＥ（Ｗｈ）、蓄電素子の体積をＶ（Ｌ）としたとき、以下の：
（ａ）ＲａとＦとの積Ｒａ・Ｆが０．３以上３．０以下である；及び
（ｂ）Ｅ／Ｖが１５以上５０以下である；
を同時に満たすことを特徴とする、前記非水系リチウム型蓄電素子。 A non-aqueous lithium storage element comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing lithium ions,
The negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material provided on one or both surfaces of the negative electrode current collector, the negative electrode active material occludes lithium ions. Containing carbon material that can be released,
The positive electrode has a positive electrode current collector and a positive electrode active material layer including a positive electrode active material made of activated carbon provided on one or both surfaces of the positive electrode current collector,
The positive electrode contains 1% by mass to 50% by mass of a lithium compound other than the positive electrode active material, based on the total mass of the positive electrode active material layer, and
When the non-aqueous lithium storage element is externally short-circuited, the negative electrode potential is 0.08 V or more and 2.00 V or less. In the non-aqueous lithium storage element, the initial room temperature discharge internal resistance is Ra (Ω), electrostatic When the capacity is F (F), the amount of power is E (Wh), and the volume of the energy storage element is V (L), the following:
(A) The product Ra · F of Ra and F is 0.3 to 3.0; and (b) E / V is 15 to 50;
The non-aqueous lithium storage element is characterized by satisfying the above simultaneously.
該負極が、負極集電体と、該負極集電体の片面上又は両面上に設けられた、負極活物質を含む負極活物質層とを有し、該負極活物質はリチウムイオンを吸蔵・放出できる炭素材料を含み、
該正極が、正極集電体と、該正極集電体の片面上又は両面上に設けられた、活性炭からなる正極活物質を含む正極活物質層とを有し、
該正極が、該正極活物質層の全質量を基準として、正極活物質以外のリチウム化合物を１質量％以上５０質量％以下含有し、かつ、
該非水系リチウム型蓄電素子を外部短絡させた時の負極電位が０．０８Ｖ以上２．００Ｖ以下であり、そして
該非水系リチウム型蓄電素子において、初期の常温放電内部抵抗をＲａ（Ω）、静電容量をＦ（Ｆ）、セル電圧４Ｖ及び環境温度６０℃において２か月間保存した後の、常温放電内部抵抗をＲｄ（Ω）としたとき、以下の：
（ｅ）Ｒｄ／Ｒａが０．９以上３．０以下である；及び
（ｆ）セル電圧４Ｖ及び環境温度６０℃において２か月間保存した時に発生するガス量が、２５℃において３０×１０−３ｃｃ／Ｆ以下である；
を同時に満たすことを特徴とする、前記非水系リチウム型蓄電素子。 A non-aqueous lithium storage element comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing lithium ions,
The negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material provided on one or both surfaces of the negative electrode current collector, the negative electrode active material occludes lithium ions. Containing carbon material that can be released,
The positive electrode has a positive electrode current collector and a positive electrode active material layer including a positive electrode active material made of activated carbon provided on one or both surfaces of the positive electrode current collector,
The positive electrode contains 1% by mass to 50% by mass of a lithium compound other than the positive electrode active material, based on the total mass of the positive electrode active material layer, and
When the non-aqueous lithium storage element is externally short-circuited, the negative electrode potential is 0.08 V or more and 2.00 V or less. In the non-aqueous lithium storage element, the initial room temperature discharge internal resistance is Ra (Ω), electrostatic When the room temperature discharge internal resistance after storage at F (F), cell voltage 4V and environmental temperature 60 ° C. for 2 months and Rd (Ω) is as follows:
(E) Rd / Ra is 0.9 or more and 3.0 or less; and (f) The amount of gas generated when stored at a cell voltage of 4 V and an environmental temperature of 60 ° C. for 2 months is 30 × 10 − at 25 ° C. 3 cc / F or less;
The non-aqueous lithium storage element is characterized by satisfying the above simultaneously.
該負極が、負極集電体と、該負極集電体の片面上又は両面上に設けられた、負極活物質を含む負極活物質層とを有し、該負極活物質はリチウムイオンを吸蔵・放出できる炭素材料を含み、
該正極が、正極集電体と、該正極集電体の片面上又は両面上に設けられた、活性炭からなる正極活物質を含む正極活物質層とを有し、
該正極が、該正極活物質層の全質量を基準として、正極活物質以外のリチウム化合物を１質量％以上５０質量％以下含有し、かつ、
該非水系リチウム型蓄電素子を外部短絡させた時の負極電位が０．０８Ｖ以上２．００Ｖ以下であり、そして
該非水系リチウム型蓄電素子において、初期の常温放電内部抵抗をＲａ（Ω）、環境温度２５℃にて、セル電圧を２．２Ｖから３．８Ｖまで、３００Ｃのレートでの充放電サイクルを６０，０００回行った後の常温放電内部抵抗をＲｅ（Ω）としたとき、以下の：
（ｇ）Ｒｅ／Ｒａが０．９以上２．０以下である；
を満たすことを特徴とする、前記非水系リチウム型蓄電素子。 A non-aqueous lithium storage element comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte containing lithium ions,
The negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material provided on one or both surfaces of the negative electrode current collector, the negative electrode active material occludes lithium ions. Containing carbon material that can be released,
The positive electrode has a positive electrode current collector and a positive electrode active material layer including a positive electrode active material made of activated carbon provided on one or both surfaces of the positive electrode current collector,
The positive electrode contains 1% by mass to 50% by mass of a lithium compound other than the positive electrode active material, based on the total mass of the positive electrode active material layer, and
When the non-aqueous lithium storage element is externally short-circuited, the negative electrode potential is 0.08 V or more and 2.00 V or less, and the non-aqueous lithium storage element has an initial room temperature discharge internal resistance of Ra (Ω), environmental temperature When the internal temperature resistance at room temperature after performing 60,000 charge / discharge cycles at a rate of 300 C from 25 V to 3.8 V at a rate of 300 C at Re (Ω) is as follows:
(G) Re / Ra is 0.9 or more and 2.0 or less;
The non-aqueous lithium-type electricity storage device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016192712A JP6815151B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016192712A JP6815151B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018056439A JP2018056439A (en) | 2018-04-05 |
| JP2018056439A5 true JP2018056439A5 (en) | 2019-09-05 |
| JP6815151B2 JP6815151B2 (en) | 2021-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016192712A Active JP6815151B2 (en) | 2016-09-30 | 2016-09-30 | Non-aqueous lithium storage element |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4705566B2 (en) * | 2004-03-31 | 2011-06-22 | 富士重工業株式会社 | Electrode material and manufacturing method thereof |
| JP2008166309A (en) * | 2006-12-26 | 2008-07-17 | Fuji Heavy Ind Ltd | Lithium ion capacitor |
| JP5230108B2 (en) * | 2007-01-26 | 2013-07-10 | 三洋電機株式会社 | Nonaqueous electrolyte secondary battery |
| JP4979432B2 (en) * | 2007-03-28 | 2012-07-18 | 三洋電機株式会社 | Cylindrical lithium secondary battery |
| JP2010129332A (en) * | 2008-11-27 | 2010-06-10 | Toyota Motor Corp | Nonaqueous electrolyte secondary battery |
| JP2010225291A (en) * | 2009-03-19 | 2010-10-07 | Toyota Motor Corp | Lithium-ion secondary battery and method of manufacturing the same |
| JP5654820B2 (en) * | 2010-09-28 | 2015-01-14 | 旭化成株式会社 | Positive electrode material, method for producing the same, and power storage device |
| US9214674B2 (en) * | 2011-05-26 | 2015-12-15 | Toyota Jidosha Kabushiki Kaisha | Coated active material and lithium solid state battery |
| JP6176152B2 (en) * | 2013-04-10 | 2017-08-09 | 住友金属鉱山株式会社 | Cathode active material for non-aqueous electrolyte secondary battery, method for producing the same, and non-aqueous electrolyte secondary battery |
| JP2016042502A (en) * | 2014-08-14 | 2016-03-31 | 旭化成株式会社 | Negative electrode for nonaqueous lithium type power storage device |
| EP3270446A4 (en) * | 2015-03-10 | 2018-09-05 | Nihonkagakusangyo Co. Ltd. | Positive-electrode active material for nonaqueous electrolyte lithium secondary batteries, and production method for said material |
| EP3352264A4 (en) * | 2015-09-16 | 2018-12-05 | Ricoh Company, Ltd. | Nonaqueous electrolyte solution electricity storage element |
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