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AMORPHOUS OXIDE-BASED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME AND USE OF SAME

外国特許コード F170009257
整理番号 (S2016-0588-N0)
掲載日 2017年10月18日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2017JP009294
国際公開番号 WO 2017169599
国際出願日 平成29年3月8日(2017.3.8)
国際公開日 平成29年10月5日(2017.10.5)
優先権データ
  • 特願2016-070298 (2016.3.31) JP
発明の名称 (英語) AMORPHOUS OXIDE-BASED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME AND USE OF SAME
発明の概要(英語) An amorphous oxide-based positive electrode active material which is a starting material for producing a positive electrode for all-solid-state secondary batteries, and wherein (i) the amorphous oxide-based positive electrode active material contains an alkali metal selected from among Li and Na, a second metal selected from among Co, Ni, Mn, Fe, Cr, V, Cu, Ti, Zn, Zr, Nb, Mo, Ru and Sn, ionic species selected from among phosphate ions, sulfate ions, borate ions, silicate ions, aluminate ions, germanate ions, nitrate ions, carbonate ions and halide ions, and oxygen atoms (excluding oxygen atoms constituting the ionic species), (ii) the amorphous oxide-based positive electrode active material contains at least an amorphous phase, and (iii) the amorphous oxide-based positive electrode active material is a starting material for producing a positive electrode, said starting material having a thickness of 20 μm or more.
特許請求の範囲(英語) [claim1]
1. It is the amorphous oxide positive electrode active material which is the production raw materials of the positive electrode for all the solid accumulators,
The aforementioned amorphous oxide positive electrode active material
(i) Alkaline metal and Co, Ni, Mn, Fe and Cr which are selected from Li and Na, V, ion kind and the oxygen atom which are selected from the 2nd metal and the phosphoric acid ion, the sulfate ion, the boracic acid ion, the silica ion, the alumina acid ion, the German acid ion, the nitric acid ion, the carbonic acid ion and the halide ion which are selected from Cu, Ti, Zn, Zr, Nb, Mo, Ru and Sn (however, the oxygen atom which forms ion kind is excluded) with implication,
(ii) At least, to include amorphous phase, at the same time
They are the production raw materials of the positive electrode of thickness of (iii)20 .micro.m or more
Amorphous oxide positive electrode active material.
[claim2]
2. Alkaline metal and Co, Ni, Mn, Fe and Cr which are selected from Li and Na, V, ion kind and the oxygen atom which are selected from the 2nd metal and the phosphoric acid ion, the sulfate ion, the boracic acid ion, the silica ion, the alumina acid ion, the German acid ion, the nitric acid ion, the carbonic acid ion and the halide ion which are selected from Cu, Ti, Zn, Zr, Nb, Mo, Ru and Sn (however, the oxygen atom which forms ion kind is excluded) with to include, to be amorphous state, the positive electrode for all the solid accumulators of thickness of 20 .micro.m or moreIn the claim 1 which is the production raw materials the amorphous oxide positive electrode active material of statement.
[claim3]
3. As for the aforementioned amorphous oxide positive electrode active material, the peak with of the smallest 2.theta. in the XRD pattern, in the claim 1 which shows an amorphous state where it becomes the half breadth of 0.5 or more the amorphous oxide positive electrode active material of statement.
[claim4]
4. The aforementioned amorphous oxide positive electrode active material, in the claim 3 which includes with amorphous phase and crystalline phase the amorphous oxide positive electrode active material of statement.
[claim5]
5. The aforementioned amorphous oxide positive electrode active material, to include alkaline metallic oxide and is derived from the alkaline metal salt the component which, the aforementioned alkaline metallic oxide, LiCoO [2], LiNiO [2], LiMnO [2], Li [2] MnO [3], Li (Ni, Co and Mn) O [2], Li [2] TiO [3], LiFeO [2], LiCrO [2], Li [2] CuO [2], LiCuO [2], LiMoO [2], Li [2] RuO [3], Li [3] NbO [4]Li [3] V [2] (PO [4]) [3], LiMn [2] O [4] and Li (Ni and Mn) O [lithium based chemical compound and NaCoO of 4] [2], NaNiO [2], NaMnO [2], Na [2] MnO [3], Na (Ni, Co and Mn) O [2], NaFeO [2], Na [2] TiO [3], NaCrO [2], Na [2] CuO [2], NaCuO [2], NaMoO [2], Na[2] RuO [3], Na [3] NbO [4], Na [3] to be selected from the group which V [2] (PO [4]) [3], NaMn [2] O [4] and Na (Ni and Mn) O [the sodium type chemical compound of 4] and consists of, the aforementioned alkaline metal salt, AxByOz (in formula, as for A to be Li or Na, B P, S and B, C, to be selected from Si, Al, Ge and N, as for x 1 or more, as for y 1 or more, as for z 1 or moreSo it is, at the same time x, as for y and z it is possible value stoichiometrically) and AX (as for A to be Li or Na, X is selected from F, Cl, Br and I) from in the claim 1 which is selected the amorphous oxide positive electrode active material of statement.
[claim6]
6. Is derived from the aforementioned alkaline metallic oxide the component and is derived from the alkaline metal salt the component which, in the aforementioned amorphous oxide positive electrode active material, the 1:9-9: In the claim 3 which exists at mol ratio of 1 the amorphous oxide positive electrode active material of statement.
[claim7]
7. The aforementioned amorphous oxide positive electrode active material, LiCoO [2], Li [3] PO [4] and/or Li [2] SO [in the claim 1 which includes the component which is derived with from 4] the amorphous oxide positive electrode active material of statement.
[claim8]
8. Being production method of the amorphous oxide positive electrode active material of statement in claim 1, the aforementioned amorphous oxide positive electrode active material, production method of the amorphous oxide positive electrode active material which is obtained by the fact that those raw materials are mixed with mechanical milling.
[claim9]
9. The positive electrode which includes the amorphous oxide positive electrode active material of statement in claim 1, possesses the thickness of 20 .micro.m or more.
[claim10]
10. In claim 9 the positive electrode of statement, cathode, and the aforementioned positive electrode and all the solid accumulators which have with the solid electrolytic layer which is located between the aforementioned cathode at least.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • OSAKA PREFECTURE UNIVERSITY
  • 発明者(英語)
  • HAYASHI AKITOSHI
  • TATSUMISAGO MASAHIRO
国際特許分類(IPC)
指定国 (WO2017169599)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG

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