Abstract:
The invention disclosed relates to a new method of forming spinel-related .lambda.-Li.sub.2-x Mn.sub.2 O.sub.4, wherein 0.ltoreq.x.ltoreq.2, solely by electrochemical means with air-stable orthorhombic LiMnO.sub.2 as the starting material. This spinel-related material is hydroscopic, metastable and is typically made by chemical means, followed by electrochemical conversion of spinel-type LiMn.sub.2 O.sub.4. Also disclosed are new secondary lithium ion electrochemical cells employing as initial active cathode material a compound of formula LiMnO.sub.2, having a specific orthorhombic crystal structure.
Abstract translation:所公开的本发明涉及一种通过电化学方法形成具有空气稳定的斜方晶LiMnO 2作为起始材料的尖晶石相关的λ-Li 2-x Mn 2 O 4的新方法,其中0≤x≤2。 这种与尖晶石相关的材料是吸水性的,亚稳态的,并且通常通过化学方法制备,随后是尖晶石型LiMn 2 O 4的电化学转化。 还公开了使用具有特定正交晶体结构的式LiMnO 2化合物作为初始活性阴极材料的新的二次锂离子电化学电池。
Abstract:
The invention disclosed relates to a new method of forming spinel-related .lambda.-Li.sub.2-x Mn.sub.2 O.sub.4, wherein 0.ltoreq.x.ltoreq.2, solely by electrochemical means with air-stable orthorhombic LiMnO.sub.2 as the starting material. This spinel-related material is hydroscopic, metastable and is typically made by chemical means, followed by electrochemical conversion of spinel-type LiMn.sub.2 O.sub.4. Also disclosed are new secondary lithium ion electrochemical cells employing as initial active cathode material a compound of formula LiMnO.sub.2, having a specific orthorhombic crystal structure.
Abstract translation:所公开的本发明涉及一种通过电化学方法形成具有空气稳定的斜方晶LiMnO 2作为起始材料的尖晶石相关的λ-Li 2-x Mn 2 O 4的新方法,其中0≤x≤2。 这种与尖晶石相关的材料是吸水性的,亚稳态的,并且通常通过化学方法制备,随后是尖晶石型LiMn 2 O 4的电化学转化。 还公开了使用具有特定正交晶体结构的式LiMnO 2化合物作为初始活性阴极材料的新的二次锂离子电化学电池。
Abstract:
The invention disclosed relates to a new method of forming spinel-related .lambda.-Li.sub.2-x Mn.sub.2 O.sub.4, wherein 0.ltoreq.x.ltoreq.2, solely by electrochemical means with air-stable orthorhombic LiMnO.sub.2 as the starting material. This spinel-related material is hydroscopic, metastable and is typically made by chemical means, followed by electrochemical conversion of spinel-type LiMn.sub.2 O.sub.4. Also disclosed are new secondary lithium ion electrochemical cells employing as initial active cathode material a compound of formula LiMnO.sub.2, having a specific orthorhombic crystal structure.
Abstract translation:所公开的本发明涉及一种通过电化学方法形成具有空气稳定的斜方晶LiMnO 2作为起始材料的尖晶石相关的λ-Li 2-x Mn 2 O 4的新方法,其中0≤x≤2。 这种与尖晶石相关的材料是吸水性的,亚稳态的,并且通常通过化学方法制备,随后是尖晶石型LiMn 2 O 4的电化学转化。 还公开了使用具有特定正交晶体结构的式LiMnO 2化合物作为初始活性阴极材料的新的二次锂离子电化学电池。
Abstract:
Aluminum chloride can be used as an electrolyte component in a lithium-sulfur dioxide electrochemical cell to improve the cell's discharge capacity and also its electrochemical reversibility.