Recent Progress on Hydrogel-Based Lithium Adsorbents

DONG Bin; CHE Xinyi; ZHOU Changchun

doi:10.11949/0438-1157.20260352

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Recent Progress on Hydrogel-Based Lithium Adsorbents

更新时间：2026-05-22

- Recent Progress on Hydrogel-Based Lithium Adsorbents
- CIESC Journal (2026)
- 作者机构：
  
  中国矿业大学化工学院，江苏徐州 221116
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20260352
  CLC： TQ 028.7
- Received：23 March 2026，
  
  Revised：2026-05-21，
  
  Accepted：22 May 2026，
- 稿件说明：
移动端阅览
DONG Bin, CHE Xinyi, ZHOU Changchun. Recent Progress on Hydrogel-Based Lithium Adsorbents[J/OL]. CIESC Journal, 2026.
DOI：

DONG Bin, CHE Xinyi, ZHOU Changchun. Recent Progress on Hydrogel-Based Lithium Adsorbents[J/OL]. CIESC Journal, 2026. DOI： 10.11949/0438-1157.20260352.

摘要

锂资源需求持续增长，吸附法因绿色高效，被认为是从盐湖卤水、海水等液态锂资源中提锂的具有潜力的技术之一。水凝胶基吸附材料凭借三维多孔网络、可功能化设计、机械性能优异，成为新一代锂吸附材料的重要方向。目前，已发展出冠醚/氟功能化水凝胶、锂离子筛复合水凝胶、锂铝层状双金属氢氧化物复合水凝胶、金属有机框架复合水凝胶及MXene复合水凝胶等材料体系，在吸附容量、锂离子选择性和循环稳定性方面表现突出。但该领域仍面临多离子竞争吸附、水凝胶结构稳定性不足及功能基团耐久性有限等挑战。未来研究需聚焦多机制协同提锂、材料结构与性能的精准调控及规模化制备技术，以推动水凝胶基吸附材料实现绿色高效的工业化提锂。

Abstract

The demand for lithium resources continues to grow

and adsorption is considered one of the promising technologies for lithium extraction from liquid lithium resources (e.g.

salt lake brines and seawater) owing to its green and efficient characteristics. Hydrogel-based adsorbents have emerged as a significant direction for next-generation lithium adsorbents

characterized by their three-dimensional porous networks

facile functionalization design

and good mechanical properties. Currently

some systems have been developed

including crown ether/fluorine-functionalized hydrogels

lithium-ion sieve composite hydrogels

lithium-aluminum layered double hydroxide composite hydrogels

metal organic framework composite hydrogels

and MXene composite hydrogels. These materials exhibit outstanding performance in terms of adsorption capacity

lithium-ion selectivity

and cyclic stability. However

the field still faces multiple challenges

such as competitive adsorption from coexisting ions

insufficient structural stability of the hydrogels

and limited durability of functional groups. Future research should focus on synergistic multi-mechanism effects for lithium extraction

precise structure-property regulation

and scalable preparation technologies

in order to promote the green and efficient industrial application of hydrogel-based adsorbents for lithium extraction.

关键词

Keywords

references

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