公开(公告)号：US20160064771A1

公开(公告)日：2016-03-03

申请号：US14783604

申请日：2014-04-16

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Mayuko OSAKI ,  Yuki KATO

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  C01B25/45 ,  C01B35/14 ,  H01B1/10 ,  H01B1/122 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/002 ,  H01M2300/0068

Abstract: A sulfide solid electrolyte material with favorable ion conductivity and high reduction resistance. The object is attained by providing sulfide solid electrolyte material comprising: Li element; Ge element; P element; and S element, wherein the sulfide solid electrolyte material peaks at a position of 2θ=29.58°±0.50° in X-ray diffraction measurement using CuKα ray, the sulfide solid electrolyte material does not peak at a position of 2θ=27.33°±0.50° in X-ray diffraction measurement using CuKα ray or when diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and diffraction intensity at the peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 1.0, and part of the P element in a crystal phase peaking at the position of 2θ=29.58°±0.50° is substituted with a B element.

Abstract translation: 具有良好的离子传导性和高抗还原性的硫化物固体电解质材料。 本发明的目的是提供硫化物固体电解质材料，其包括：Li元素; Ge元素 P元素 和S元素，其中硫化物固体电解质材料在使用CuKα射线的X射线衍射测量中在2θ= 29.58°±0.50°的位置处峰值，硫化物固体电解质材料在2θ= 27.33°的位置处不峰值 使用CuKα射线的X射线衍射测定中的±0.50°，或者峰值为2θ时的衍射强度= 29.58°±0.50°的IA为1.0，峰值为2θ时的衍射强度= 27.33°±0.50°为 如图1B所示，IB / IA的值小于1.0，并且在2＆amp; t = 29.58°±0.50°的位置峰值的晶体相中的P元素的一部分被B元素取代。

公开(公告)号：US20150372345A1

公开(公告)日：2015-12-24

申请号：US14758712

申请日：2013-12-18

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yuki KATO ,  Mayuko OSAKI

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01B1/10 ,  H01M4/38 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0068 ,  H01M2300/0071

Abstract: Sulfide solid electrolyte material with favorable ion conductivity, wherein charge and discharge efficiency is inhibited from decreasing. Solves problem by providing a sulfide solid electrolyte material including a Li element, Si element, P element, S element and O element, having peak at position of 2θ=29.58°±0.50° in X-ray diffraction measurement using CuKα ray, wherein sulfide solid electrolyte material does not have peak at position of 2θ=27.33°±0.50° in X-ray diffraction measurement using CuKα ray, or in case of having peak at position of 2θ=27.33°±0.50°, value of IB/IA is 1 or less when diffraction intensity at peak of 2θ=29.58°±0.50° is regarded as IA and diffraction intensity at peak of 2θ=27.33°±0.50° is regarded as IB; and wherein molar fraction of O element to total of S element and O element is larger than 0.2.

Abstract translation: 具有良好的离子传导性的硫化物固体电解质材料，其中抑制充放电效率的降低。 通过在使用CuKα射线的X射线衍射测定中提供包含Li元素，Si元素，P元素，S元素和O元素的硫化物固体电解质材料，其在2θ的位置具有峰值= 29.58°±0.50°，其中 硫化物固体电解质材料在使用CuKα射线的X射线衍射测定中，在2＆位置的位置不具有峰值; = 27.33°±0.50°，或者在位置为2的情况下= 27.33°±0.50°，IB值 当IA的峰值处的衍射强度= 29.58°±0.50°时，IA值为1以下，2峰值时的衍射强度= 27.33°±0.50°为IB; 并且其中O元素与S元素和O元素总量的摩尔分数大于0.2。