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Summary & Details

Study on Thermal Management System Utilizing Next-Generation Refrigerant for Future xEV

将来xEVにおける次世代冷媒を活用したサーマルシステムに関する研究

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20266172

Paper/Info type: Proceedings (Autumn)

No.128-26

Pages: 1-5(Total 5 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 道川内亮, 2) 杉原寛之, 3) 太田篤治, 4) 加見祐一
Author(E)	1) Ryo Michikawauchi, 2) Hiroyuki Sugihara, 3) Atsuharu Ota, 4) Yuichi Kami
Affiliation(J)	1) トヨタ自動車, 2) トヨタ自動車, 3) トヨタ自動車, 4) デンソー
Affiliation(E)	1) Toyota Motor, 2) Toyota Motor, 3) Toyota Motor, 4) DENSO
Abstract(J)	将来の欧州PFAS規制を背景に，現行冷媒の代替として空調電費や電池温調性能に優れるプロパン冷媒を用いたxEV向けサーマルマネジメントシステムを検討した．車両安全性確保のために車室側のエバポレータまでプロパン冷媒を引き込まず，チラーとクーラコアを新設して冷却水を介すことにより，部品点数増加によるシステム複雑化が懸念される．そこで，低コストで低冷媒量な熱回路構成を提案し，机上での成立性を確認した． Translation
Abstract(E)	Considering the European PFAS regulatory landscape, thermal management system for xEVs was investigated using propane refrigerant as a non-PFAS alternative with superior cabin comfort energy efficiency and battery thermal control performance. To enhance safety, refrigerant circulation is restricted outside the cabin by adopting a coolant-based secondary loop with newly integrated chiller and cooler core components. While this architecture may increase system complexity, a simplified thermal circuit with reduced refrigerant charge was designed. Feasibility was confirmed through analytical evaluation.

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