Methods of forming transition metal dichalcogenide aerogels are provided. Some methods include adding at least one solvent to one or more two-dimensional transition metal dichalcogenide sheets to form a transition metal dichalcogenide solution and freeze drying the transition metal dichalcogenide solution to form frozen transition metal dichalcogenide. The methods also include heating the frozen transition metal dichalcogenide to form a transition metal dichalcogenide aerogel.

A zirconium nitride powder coated with alumina has a volume resistivity is 1×10.sup.6 Ω.Math.cm or higher. Also, an coating amount with alumina is 1.5% by mass to 9% by mass with respect to 100% by mass of the zirconium nitride. Furthermore, an isoelectric point of the zirconium nitride powder coated with alumina is 5.7 or higher.

A zirconium nitride powder coated with alumina has a volume resistivity is 1?10.sup.6 ?.Math.cm or higher. Also, an coating amount with alumina is 1.5% by mass to 9% by mass with respect to 100% by mass of the zirconium nitride. Furthermore, an isoelectric point of the zirconium nitride powder coated with alumina is 5.7 or higher.

Methods of forming two-dimensional transition metal dichalcogenide sheets are provided. The methods include adding a cross-linking agent to an activating agent to form a solution and mixing a two-dimensional transition metal dichalcogenide with the solution to form a mixture. The methods also include adding a cleaving agent to the mixture to form one or more contiguous sheets of transition metal dichalcogenide.

A preparation method and application of a titanium nitride fiber-enhanced quasi-solid-state electrolyte, which relates to a synthetic method and application of a solid-state electrolyte. The object of the present disclosure is to solve the problem that the existing polymer electrolyte has low ionic conductivity, poor lithium ion transference number, and insufficient inhibition of lithium dendrite growth. The method includes the following steps: 1. preparation of TiN nanofiber, and 2. preparation of electrolyte. The TiN nanofiber-enhanced electrolyte is used as a solid-state electrolyte of lithium ion batteries. The electrolyte material provided by the present disclosure has excellent rate performance, high cycle stability, and long-term cycle life. In the present disclosure, a TiN nanofiber-enhanced quasi-solid-state electrolyte can be obtained.

Methods of forming transition metal dichalcogenide aerogels are provided. Some methods include adding at least one solvent to one or more two-dimensional transition metal dichalcogenide sheets to form a transition metal dichalcogenide solution and freeze drying the transition metal dichalcogenide solution to form frozen transition metal dichalcogenide, The methods also include heating the frozen transition metal dichalcogenide to form a transition metal dichalcogenide aerogel,

A preparation method and application of a titanium nitride fiber-enhanced quasi-solid-state electrolyte, which relates to a synthetic method and application of a solid-state electrolyte. The object of the present disclosure is to solve the problem that the existing polymer electrolyte has low ionic conductivity, poor lithium ion transference number, and insufficient inhibition of lithium dendrite growth. The method includes the following steps: 1. preparation of TiN nanofiber, and 2. preparation of electrolyte. The TiN nanofiber-enhanced electrolyte is used as a solid-state electrolyte of lithium ion batteries. The electrolyte material provided by the present disclosure has excellent rate performance, high cycle stability, and long-term cycle life. In the present disclosure, a TiN nanofiber-enhanced quasi-solid-state electrolyte can be obtained.