Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of porous ceramic bottom supporting plate, porous ceramic bottom supporting plate and battery
The invention relates to a heat dissipation plate preparation technology, and discloses a preparation method of a porous ceramic bottom supporting plate, the porous ceramic bottom supporting plate and a battery, and the preparation method comprises the following steps: obtaining preparation raw materials, and uniformly stirring the preparation raw materials to form a mixture; wherein the preparation raw materials comprise the following components in parts by weight: 40-90 parts of AlN powder, 9-50 parts of SiO2 powder, 5-10 parts of polyethylene glycol and 20-50 parts of a solvent; pouring the mixture into a mold, heating to remove the solvent in the mixture, and carrying out compression molding to obtain a ceramic blank plate; calcining the ceramic blank plate, removing polyethylene glycol in the ceramic blank plate, and obtaining a ceramic calcined plate dispersed with SiO2; the ceramic calcined plate is placed in a NaOH solution for etching, SiO2 in the ceramic calcined plate reacts with NaOH to generate heat dissipation holes which are communicated in a staggered mode in the ceramic calcined plate, and therefore a porous ceramic bottom supporting plate is obtained; according to the preparation method, the porous ceramic bottom supporting plate with the set thermal conductivity can be accurately prepared, so that the heat conduction requirements of different battery cells can be accurately matched.
本发明涉及散热板制备技术，公开了一种多孔陶瓷底托板的制备方法、多孔陶瓷底托板及电池，包括以下步骤：获取制备原料，并将所述制备原料搅拌均匀形成混合物；其中，所述制备原料包括重量份的AlN粉末40‑90份、SiO2粉末9‑50份、聚乙二醇5‑10份、溶剂20‑50份；将所述混合物倒入模具，加热去除混合物中的溶剂，并模压成型得到陶瓷坯板；煅烧所述陶瓷坯板，除去所述陶瓷坯板中的聚乙二醇，并得到分散有SiO2的陶瓷煅烧板；将所述陶瓷煅烧板放入NaOH溶液中进行刻蚀，所述陶瓷煅烧板中的SiO2与NaOH反应以在所述陶瓷煅烧板中生成交错连通的散热孔，从而得到多孔陶瓷底托板；本发明能精准地制备出设定导热率的多孔陶瓷底托板，从而能精准地匹配不同电芯的导热需要。
Preparation method of porous ceramic bottom supporting plate, porous ceramic bottom supporting plate and battery
The invention relates to a heat dissipation plate preparation technology, and discloses a preparation method of a porous ceramic bottom supporting plate, the porous ceramic bottom supporting plate and a battery, and the preparation method comprises the following steps: obtaining preparation raw materials, and uniformly stirring the preparation raw materials to form a mixture; wherein the preparation raw materials comprise the following components in parts by weight: 40-90 parts of AlN powder, 9-50 parts of SiO2 powder, 5-10 parts of polyethylene glycol and 20-50 parts of a solvent; pouring the mixture into a mold, heating to remove the solvent in the mixture, and carrying out compression molding to obtain a ceramic blank plate; calcining the ceramic blank plate, removing polyethylene glycol in the ceramic blank plate, and obtaining a ceramic calcined plate dispersed with SiO2; the ceramic calcined plate is placed in a NaOH solution for etching, SiO2 in the ceramic calcined plate reacts with NaOH to generate heat dissipation holes which are communicated in a staggered mode in the ceramic calcined plate, and therefore a porous ceramic bottom supporting plate is obtained; according to the preparation method, the porous ceramic bottom supporting plate with the set thermal conductivity can be accurately prepared, so that the heat conduction requirements of different battery cells can be accurately matched.
本发明涉及散热板制备技术，公开了一种多孔陶瓷底托板的制备方法、多孔陶瓷底托板及电池，包括以下步骤：获取制备原料，并将所述制备原料搅拌均匀形成混合物；其中，所述制备原料包括重量份的AlN粉末40‑90份、SiO2粉末9‑50份、聚乙二醇5‑10份、溶剂20‑50份；将所述混合物倒入模具，加热去除混合物中的溶剂，并模压成型得到陶瓷坯板；煅烧所述陶瓷坯板，除去所述陶瓷坯板中的聚乙二醇，并得到分散有SiO2的陶瓷煅烧板；将所述陶瓷煅烧板放入NaOH溶液中进行刻蚀，所述陶瓷煅烧板中的SiO2与NaOH反应以在所述陶瓷煅烧板中生成交错连通的散热孔，从而得到多孔陶瓷底托板；本发明能精准地制备出设定导热率的多孔陶瓷底托板，从而能精准地匹配不同电芯的导热需要。
Preparation method of porous ceramic bottom supporting plate, porous ceramic bottom supporting plate and battery
一种多孔陶瓷底托板的制备方法、多孔陶瓷底托板及电池
YANG CONGQIANG (Autor:in)
04.10.2022
Patent
Elektronische Ressource
Chinesisch
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