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PROCESS FOR MANUFACTURING INSULATED HEAT SINK, AND INSULATED HEAT SINK
To provide a method for manufacturing an insulated heat sink having excellent insulation performance, high resistivity, excellent heat dissipation performance, small volume, light weight, and can be applied to heat dissipation of a battery, thereby further reducing the overall volume and weight of the battery.SOLUTION: A preparation process includes: a step A of preparing a mixed material, the step including mixing a graphite powder, an insulating heat transfer material, silica and a solvent, ball-milling them to obtain a mixture, and then adding an organic polymer and an auxiliary to the mixture, followed by uniform polishing to obtain a mixed material; a step B of preparing a substrate, the step including rolling the mixed material obtained in the step A to form a film, and carbonizing the film to obtain the substrate, the carbonization temperature being 1,500-1,700°C; and a step C for deposition, the step including adding the substrate from the step B to a reaction kettle, evacuating and heating the kettle to reduce pressure intensity in the reaction kettle, adding ammonia gas and dichlorosilane, and conducting a reaction for 5-6h to obtain an insulated heat sink.SELECTED DRAWING: None
【課題】絶縁性能に優れ、抵抗率が高く、放熱性能に優れ、体積が小さく、重量が軽く、電池の放熱に適用され、電池全体の体積と重量をさらに減少することができる絶縁ヒートシンクの製造方法を提供する。【解決手段】製造プロセスは、混合材料を調製するステップAであって、黒鉛粉末、絶縁熱伝導材料、シリカ及び溶媒を混合し、ボールミリングし、混合物を得、そして有機ポリマー、助剤を前記混合物に添加し、引き続き均一に研磨した後に混合材料を得るステップと、基板を作製するステップBであって、ステップAで得られた混合材料を圧延して膜をなし、炭化し、炭化温度を1500~1700℃にし、基板を得るステップと、成膜するステップCであって、ステップBの基板を反応釜に添加し、真空引きし、昇温し、反応釜内の圧力の強さを低下させ、アンモニアガスとジクロロシランを入れて、5~6h反応させ、絶縁ヒートシンクを得るステップと、を含む。【選択図】なし
PROCESS FOR MANUFACTURING INSULATED HEAT SINK, AND INSULATED HEAT SINK
To provide a method for manufacturing an insulated heat sink having excellent insulation performance, high resistivity, excellent heat dissipation performance, small volume, light weight, and can be applied to heat dissipation of a battery, thereby further reducing the overall volume and weight of the battery.SOLUTION: A preparation process includes: a step A of preparing a mixed material, the step including mixing a graphite powder, an insulating heat transfer material, silica and a solvent, ball-milling them to obtain a mixture, and then adding an organic polymer and an auxiliary to the mixture, followed by uniform polishing to obtain a mixed material; a step B of preparing a substrate, the step including rolling the mixed material obtained in the step A to form a film, and carbonizing the film to obtain the substrate, the carbonization temperature being 1,500-1,700°C; and a step C for deposition, the step including adding the substrate from the step B to a reaction kettle, evacuating and heating the kettle to reduce pressure intensity in the reaction kettle, adding ammonia gas and dichlorosilane, and conducting a reaction for 5-6h to obtain an insulated heat sink.SELECTED DRAWING: None
【課題】絶縁性能に優れ、抵抗率が高く、放熱性能に優れ、体積が小さく、重量が軽く、電池の放熱に適用され、電池全体の体積と重量をさらに減少することができる絶縁ヒートシンクの製造方法を提供する。【解決手段】製造プロセスは、混合材料を調製するステップAであって、黒鉛粉末、絶縁熱伝導材料、シリカ及び溶媒を混合し、ボールミリングし、混合物を得、そして有機ポリマー、助剤を前記混合物に添加し、引き続き均一に研磨した後に混合材料を得るステップと、基板を作製するステップBであって、ステップAで得られた混合材料を圧延して膜をなし、炭化し、炭化温度を1500~1700℃にし、基板を得るステップと、成膜するステップCであって、ステップBの基板を反応釜に添加し、真空引きし、昇温し、反応釜内の圧力の強さを低下させ、アンモニアガスとジクロロシランを入れて、5~6h反応させ、絶縁ヒートシンクを得るステップと、を含む。【選択図】なし
PROCESS FOR MANUFACTURING INSULATED HEAT SINK, AND INSULATED HEAT SINK
絶縁ヒートシンクの製造プロセス及び絶縁ヒートシンク
ZHENG ZHICHENG (Autor:in) / ZHU QUANHONG (Autor:in) / ZHOU ZHAOTUAN (Autor:in)
31.07.2023
Patent
Elektronische Ressource
Japanisch
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