文章信息/Info

Title:

Research Progress on Preparation of Sm Alloy by Molten Salt Electrolysis

文章編號(hào):

1674-3962(2022)02-0148-08

作者:

康佳; 劉玉寶; 于兵; 黃海濤; 張全軍; 閆奇操

（包頭稀土研究院 白云鄂博稀土資源研究與綜合利用國家重點(diǎn)實(shí)驗(yàn)室，內(nèi)蒙古 包頭 014030）

Author(s):

KANG Jia;  LIU Yubao;  YU Bing;  HUANG Haitao;  ZHANG Quanjun;  YAN Qicao

(State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization, Baotou Research Institute of Rare Earths, Baotou 014030, China)

關(guān)鍵詞:

熔鹽電解法; Sm合金; 稀土; 電化學(xué)行為; 生成規(guī)律

Keywords:

molten salt electrolysis;  Sm alloy;  rare earth;  electrochemical behavior;  formation rule

分類號(hào):

TF111；TG146.45

DOI:

10.7502/j.issn.1674-3962.202007040

文獻(xiàn)標(biāo)志碼:

A

摘要:

稀土釤(Sm)是變價(jià)稀土元素，因此Sm合金具有獨(dú)有的特性，使其成為一種極具潛力的功能材料，常被應(yīng)用于稀土永磁、儲(chǔ)氫、發(fā)光以及航空航天等領(lǐng)域。系統(tǒng)地比較了現(xiàn)階段制備Sm合金方法的優(yōu)缺點(diǎn)，其中熔鹽電解法制備Sm合金具有產(chǎn)物更加純凈、低成本、連續(xù)作業(yè)等優(yōu)點(diǎn)，成為近期學(xué)者的研究熱點(diǎn)。然后，重點(diǎn)闡述了熔鹽電解法制備Sm�睞l、Sm�睠u、Sm�睠o、Sm�睳i和Sm�睩e合金的最新研究進(jìn)展及存在的問題，介紹了Sm離子在熔鹽中的電化學(xué)行為及Sm合金在陰極上的生成規(guī)律，并提出了熔鹽電解法制備Sm合金進(jìn)一步向產(chǎn)業(yè)化方面發(fā)展的重點(diǎn)研究方向。

Abstract:

Samarium alloy is considered to be a potential function material, which has changeable electrovalence character, is widely used as permanent�瞞agnetic, hydrogen-storage, luminescent and aerospace materials. In this paper, the advantages and disadvantages of the current methods for preparing Sm alloys were systematically compared. In contrast, the molten salt electrolysis preparation has the advantages of purer products, low cost, and continuous operation, which makes this method a research hotspot in current research. The latest research progress and existing problems on the preparation of Sm-Al, Sm-Cu, Sm-Co, Sm-Ni and Sm-Fe alloys by molten salt electrolysis were emphatically described, and the electrochemical behaviors of Sm3+ in molten salt and the formation rule of Sm alloy on the cathode were introduced. The direction of further industrialization of Sm alloy prepared by molten salt electrolysis was also put forward.