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Solid electrolyte glass for lithium or sodium ions conduction

一种固体电解质、电解质的技术，应用在固体电解电容器、混合电容器电解质、电解质等方向，能够解决故障率高、电池热击穿等问题

Inactive Publication Date: 2019-07-12
UNIV DO PORTO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this failure rate is still too high for applications in plug-in hybrid electric vehicles and pure electric vehicles because hundreds of lithium-ion batteries are required to drive the vehicle
The failure of a single battery can generate a lot of heat and flames, both of which can then cause thermal breakdown of adjacent batteries, leading to failure of the entire battery pack

Method used

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  • Solid electrolyte glass for lithium or sodium ions conduction
  • Solid electrolyte glass for lithium or sodium ions conduction
  • Solid electrolyte glass for lithium or sodium ions conduction

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Embodiment Construction

[0128] This disclosure describes new glass types and methods for obtaining them.

[0129] Synthesis, Characterization and Neutron Scattering

[0130] In one embodiment, Li 3 The preparation of ClO and correspondingly doped solid electrolyte samples consists in pre-drying LiCl and Li, Mg, Ca or Ba hydroxides, since most of them are highly hygroscopic, weighing stoichiometric amounts and mixing them. Then, by adding a few drops of deionized water, a paste was formed and introduced into the Teflon reactor and closed. The reactor was heated at 230-260 °C for 2-3 hours, then it was opened to allow the water to evaporate for about 1 h. Then, it was closed in a glass vessel and allowed to cool to room temperature. Dry the water using a vacuum pump. Make the sample 100% amorphous Li 3 ClO or its doped congeners require several hours. Pellets were also obtained (by cold pressing).

[0131] After synthesis, the portion of the sample designated for EIS experiments was operated i...

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Abstract

The invention provides a glassy electrolyte for lithium or sodium ions conduction. A glassy electrolyte for lithium or sodium ions conduction is further provided. The present disclosure relates to thedevelopment and improvement of sodium or lithium-ion electrochemical devices, in particular to the development of a new glassy electrolyte comprising high ionic conductivity for batteries, capacitors, and other electrochemical devices comprising a solid electrolyte glass comprising the formula R<3-2x>M<x>HalO, wherein R is selected from the group consisting of lithium or sodium; M is selected from the group consisting of magnesium, calcium, strontium or barium; Hal is selected from the group consisting of fluorine, chlorine, bromine, iodine or mixtures thereof; X is the number of moles of M and 0<=x<=0.01 and the solid electrolyte glass has a glass transition point.

Description

[0001] This application is a divisional application of an invention patent application with an application date of February 26, 2015, an application number of 201580022172.1, and an invention title of "solid electrolyte glass for lithium or sodium ion conduction". technical field [0002] The present disclosure relates to the development and improvement of sodium or lithium ion electrochemical devices, in particular to the development of new solid electrolyte glasses comprising high ionic conductivity and / or high electrochemical window of stability. Background technique [0003] Four categories of next-generation batteries are currently envisioned in the international community: lithium-sulfur, metal-air and metal-sodium batteries, multivalent cation batteries, and all-solid-state battery concepts (M.Tatsumisago and Hayashi, A.Sol.Stat.Ionics, 2012, 225, 342). These battery designs require high-performance, safe, and cost-effective electrolytes that are compatible with optim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0562H01G11/56H01M10/0525H01M10/054H01M16/00H01G11/06
CPCH01G11/56H01G11/84H01M10/052H01M10/054H01M10/0562H01M16/00H01M2300/0071Y02E60/13Y02E60/10H01G9/15H01M10/0525
Inventor 马里亚·赫伦纳·索萨·苏亚雷斯·德·奥利韦拉·布拉加若泽·若热·多·阿马拉尔·费雷拉
Owner UNIV DO PORTO
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