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公开(公告)号：US20240387892A1
公开(公告)日：2024-11-21
申请号：US18565244
申请日：2022-06-16
Applicant: DOWA ECO SYSTEM CO., LTD. , AKITA UNIVERSITY
Inventor： Tatsuya YODOSE , Ryoei WATANABE , Yoshihiro HONMA , Seiji KUMAGAI
Abstract: There is provided a recycled cathode material precursor, including: a metal element α consisting of at least one of nickel, cobalt and manganese; and a metal element β consisting of at least one of iron, copper and aluminum, wherein a content of the metal element β is 0.5 to 20% by mass in the recycled cathode material precursor.
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公开(公告)号：US20230083016A1
公开(公告)日：2023-03-16
申请号：US17797548
申请日：2021-01-29
Applicant: DOWA ECO-SYSTEM CO., LTD.
Inventor： Tatsuya YODOSE , Ryoei WATANABE , Hitoshi SASAKI , Chihiro NISHIKAWA , Yoshihiro HONMA
Abstract: Provided is a sorting method for valuable resources, including a thermal treatment step of thermally treating a target containing valuable resources, to melt aluminum and separate a melt, a pulverizing step of pulverizing a thermally treated product remaining after the melt is separated, to obtain a pulverized product, a magnetic sorting step of sorting the valuable resources from the pulverized product by a magnetic force, and a wind force sorting step of sorting one valuable resource from another valuable resource in the valuable resources by a wind force.
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公开(公告)号：US20250153229A1
公开(公告)日：2025-05-15
申请号：US18833619
申请日：2022-02-02
Applicant: DOWA ECO SYSTEM CO., LTD.
Inventor： Yoshinori MORITA , Ryoei WATANABE , Tatsuya YODOSE , Kengo MIURA
IPC: B09B3/35 , B03C7/06 , B09B101/15 , H10F19/00
Abstract: There is provided a method for processing a solar cell module, including: removing a frame member from a solar cell module to obtain a frame-removed material; crushing the frame-removed material to obtain a crushed material; and electrostatically separating the crushed material, wherein in the electrostatic separation, the crushed material is charged and separated in accordance with density and conductivity.
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