JP2023511138A - 電解液及びそれを用いる電気化学装置 - Google Patents
電解液及びそれを用いる電気化学装置 Download PDFInfo
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- JP2023511138A JP2023511138A JP2022544205A JP2022544205A JP2023511138A JP 2023511138 A JP2023511138 A JP 2023511138A JP 2022544205 A JP2022544205 A JP 2022544205A JP 2022544205 A JP2022544205 A JP 2022544205A JP 2023511138 A JP2023511138 A JP 2023511138A
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- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 1
- JTOFSXGLSGTDCB-UHFFFAOYSA-N tetradecanedinitrile Chemical compound N#CCCCCCCCCCCCCC#N JTOFSXGLSGTDCB-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- ZVQXQPNJHRNGID-UHFFFAOYSA-N tetramethylsuccinonitrile Chemical compound N#CC(C)(C)C(C)(C)C#N ZVQXQPNJHRNGID-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical group COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical group COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- ZMQDTYVODWKHNT-UHFFFAOYSA-N tris(2,2,2-trifluoroethyl) phosphate Chemical compound FC(F)(F)COP(=O)(OCC(F)(F)F)OCC(F)(F)F ZMQDTYVODWKHNT-UHFFFAOYSA-N 0.000 description 1
- ZDOOXJCSVYVMQL-UHFFFAOYSA-N tris(2,2,3,3,3-pentafluoropropyl) phosphate Chemical compound FC(F)(F)C(F)(F)COP(=O)(OCC(F)(F)C(F)(F)F)OCC(F)(F)C(F)(F)F ZDOOXJCSVYVMQL-UHFFFAOYSA-N 0.000 description 1
- ISIQQQYKUPBYSL-UHFFFAOYSA-N undecanedinitrile Chemical compound N#CCCCCCCCCCC#N ISIQQQYKUPBYSL-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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Abstract
Description
Claims (12)
- 式Iで示される化合物、及びカルボン酸エステル化合物を含む電解液であって、
R11及びR12は、それらが結合している炭素原子と一緒に、5から10員環状構造を形成し、前記環状構造は任意にヘテロ原子を含み、前記ヘテロ原子がO、S、N、又はPのうちの少なくとも1つから選択され、
R0がC1~6アルキレン基から選択され、
Rがスルホン基、メチルスルホン基、置換もしくは非置換のC1~20アルキル基、置換もしくは非置換のC3~20シクロアルキル基、置換もしくは非置換のC2~20アルケニル基、置換もしくは非置換のC6~20アリール基、又は置換もしくは非置換のC6~20ヘテロアリール基から選択され、
R11、R12、R13、R14、Rがそれぞれ独立して置換されている場合、置換基がハロゲン、シアノ基、スルホン基、メチルスルホン基、C1~20アルキル基、C3~20シクロアルキル基、C1~20アルコキシ基、C2~20アルケニル基、C6~20アリール基、C6~20ヘテロアリール基、又はそれらの任意の組み合わせから選択される、電解液。 - 前記カルボン酸エステル化合物が式IIで示される化合物を含み、
R21、R22がそれぞれ独立して置換されている場合、置換基は、ハロゲン、シアノ基、C1~20アルキル基、C3~20シクロアルキル基、C1~20アルコキシ基、C2~20アルケニル基、C6~20アリール基、又はそれらの任意の組み合わせから選択され、
前記電解液の総重量に対して、前記カルボン酸エステル化合物の重量百分率がbwt%であり、bが0.05~75である、請求項1に記載の電解液。 - 前記電解液が式IIIで示される化合物をさらに含み、
R31、R32、R33は、それぞれ独立して、置換もしくは非置換のC1~C20アルキレン基、置換もしくは非置換のC2~C20アルケニレン基、-R35-S-R36-、又は-R37-O-R38-から選択され、
R35、R36、R37及びR38は、それぞれ独立して、単結合、置換もしくは非置換のC1~C20アルキレン基、又は置換もしくは非置換のC2~C20アルケニレン基であり、
R34は、H、置換もしくは非置換のC1~C20アルキル基、置換もしくは非置換のC2~C20アルケニル基から選択され、
R31、R32、R33、R34、R35、R36、R37及びR38がそれぞれ独立して置換されている場合、置換基は、ハロゲン、シアノ基、C1~20アルキル基、C3~20シクロアルキル基、C1~20アルコキシ基、C2~20アルケニル基、C6~20アリール基、又はそれらの任意の組み合わせから選択され、
前記電解液の総重量に対して、前記式IIIで示される化合物の重量百分率が0.01wt%~5wt%である、請求項1に記載の電解液。 - 前記電解液は、リチウム塩添加剤をさらに含み、前記リチウム塩添加剤が、LiPO2F2、リチウムビストリフルオロメタンスルホニルイミド、リチウムジ(フルオロスルホニル)イミド、リチウムビスオキサレートボレート、リチウムテトラフルオロホスフェートオキサレート、又はリチウムジフルオロオキサレートボレートの少なくとも1つのリチウム塩を含み、
前記電解液の総重量に対して、前記リチウム塩添加剤の重量百分率が0.001wt%~5wt%である、請求項1に記載の電解液。 - 正極活物質を含有する正極活物質層を含む正極と、請求項1~8のいずれか1項に記載の電解液とを含む、電気化学装置。
- 前記電気化学装置の電解液は、銅イオンをさらに含み、
前記電解液の総重量に対して、前記銅イオンの含有量が0.01ppm~50ppmである、請求項9に記載の電気化学装置。 - 前記正極活物質は、Ti元素を含み、
前記正極活物質層の総重量に対して、前記Ti元素の含有量がt×102ppmであり、tが2~10であり、且つ(a+b)/t≦35を満たす、請求項9に記載の電気化学装置。 - 請求項9~11のいずれか1項に記載の電気化学装置を含む、電子装置。
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- 2020-01-20 WO PCT/CN2020/073221 patent/WO2021146839A1/zh unknown
- 2020-01-20 JP JP2022544205A patent/JP7457135B2/ja active Active
- 2020-01-20 US US17/059,701 patent/US20210408603A1/en active Pending
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JP7457135B2 (ja) | 2024-03-27 |
WO2021146839A1 (zh) | 2021-07-29 |
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US20210408603A1 (en) | 2021-12-30 |
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