首页> 外国专利> NA+-BETA-ALUMINA SOLID ELECTROLYTE AND FABRICATION OF NA+-BETA-ALUMINA SOLID ELECTROLYTE BY INFILTRATION OF ALKALI MOLTEN SALTS WITH THE POROUS -ALUMINA PREFORM PREPARED BY SLIP CASTING PROCESS AND THE SECONDARY BATTERY USING IT

NA+-BETA-ALUMINA SOLID ELECTROLYTE AND FABRICATION OF NA+-BETA-ALUMINA SOLID ELECTROLYTE BY INFILTRATION OF ALKALI MOLTEN SALTS WITH THE POROUS -ALUMINA PREFORM PREPARED BY SLIP CASTING PROCESS AND THE SECONDARY BATTERY USING IT

机译：NA + -BETA-铝固体电解质和通过滑模铸造工艺制备的多孔铝预成型件渗入碱式熔融盐和二次电池来制造的NA + -BETA-铝固体电解质和制备NA + -BETA-铝固体电解质

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摘要

PURPOSE: A synthesizing method of Na+-beta alumina is provided to suppress the generation of pores, to reduce the generation of microcracks, and to minimize process by one-step calcinations and sintering infiltrated perform. CONSTITUTION: A synthesizing method of Na+-beta alumina by impregnation of alkali molten salts with porous alpha-alumina preform prepared by a slip casting process comprises a step of manufacturing a slip casting perform through a calcined alpha-alumina; and a step of heat-treating, alkali molten salt-infiltrating, and one-step calcinating and sintering the preform. In the alkali-molten salt-infiltration, a Na source is sodium nitrate and Li source is lithium nitrate. The composition ratio of the alkali molten salts is Na2O : Al2O3 = 1 : 5 (Li2O =0.4 wt% as stabilizer) based on molar ratio.

机译：目的：提供一种Na +-β氧化铝的合成方法，以抑制孔的产生，减少微裂纹的产生，并通过一步煅烧和烧结浸渗进行的工艺最小化。组成：Na +-β氧化铝的合成方法，用碱浇铸的方法制备的多孔α-氧化铝预成型体浸渍碱熔盐，包括通过煅烧的α-氧化铝制造的釉浆浇铸的步骤。热处理，碱熔盐渗透，一步煅烧和烧结预成型体的步骤。在碱熔盐渗透中，Na源为硝酸钠，Li源为硝酸锂。碱性熔融盐的组成比基于摩尔比为Na 2 O∶Al 2 O 3 ＝ 1∶5（Li 2 O ＝ 0.4重量％作为稳定剂）。

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公开/公告号KR20130041542A

专利类型
公开/公告日2013-04-25

原文格式PDF
申请/专利权人 KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP.;
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申请/专利号KR20110105861
发明设计人 LIM SUNG KI;
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申请日2011-10-17
分类号H01M10/39;H01M10/04;C04B35/10;
国家 KR
入库时间 2022-08-21 16:27:16

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