Overview
Non-solid electrolytes are ion-transporting media that exist in liquid, gel, or polymer forms, distinguishing them from rigid solid-state alternatives. They serve as critical components in electrochemical systems by facilitating ion movement between electrodes while maintaining electronic insulation. Common types include organic liquid electrolytes (e.g., lithium salt solutions in carbonates), aqueous electrolytes (acid/alkaline solutions), and polymer-based systems like PEO-LiTFSI complexes. These materials dominate commercial battery applications due to their superior interfacial contact with electrodes compared to solids. Recent advancements focus on quasi-solid electrolytes (gels) that combine liquid-like conductivity with enhanced safety. The global market is driven by energy storage demand, with particular growth in lithium-ion battery electrolytes exceeding 15% CAGR.
Physical and Chemical Properties
Non-solid electrolytes exhibit ionic conductivities ranging from 10^-3 to 10^-1 S/cm at room temperature, significantly higher than most solid electrolytes. Their viscosity varies widely - from water-like (aqueous KOH) to syrup-like (polymer gels). Key performance metrics include electrochemical window width (up to 5V for advanced lithium electrolytes) and thermal stability (typically -20°C to 60°C operational range). Chemical composition determines critical behaviors: organic carbonates offer wide voltage stability but are flammable, while aqueous systems are safer but limit voltage output. Additives like vinylene carbonate (3-5% in Li-ion electrolytes) form protective SEI layers. Recent developments include zwitterionic liquids that simultaneously dissolve lithium salts and resist crystallization at low temperatures.
Main Applications
Over 90% of commercial lithium-ion batteries employ non-solid electrolytes, typically 1M LiPF6 in EC/DMC solvent blends. These enable high-energy-density cells for EVs (e.g., NMC811 batteries) with >500 Wh/kg theoretical limits. Supercapacitors use acetonitrile-based electrolytes for fast ion mobility, achieving 10,000+ charge cycles. Emerging applications include redox flow batteries (vanadium sulfate in sulfuric acid) for grid storage and solid-state battery prototypes using polymer-ceramic hybrid electrolytes. Niche uses encompass electrochromic windows (propylene carbonate electrolytes) and medical biosensors (PBS-based gels). The shift toward silicon anodes in batteries is driving demand for new electrolyte formulations resistant to silicon swelling.
Safety and Storage
Flammability is the primary risk for organic electrolytes - a single liter of LiPF6/carbonate solution contains energy equivalent to 100g of TNT. Proper handling requires explosion-proof equipment, argon glove boxes for sensitive formulations, and dedicated spill containment. Decomposition hazards include HF gas generation from LiPF6 hydrolysis at >60°C. Storage recommendations include moisture-free environments (<10ppm H2O for lithium electrolytes), amber glass or HDPE containers, and temperature control (15-25°C ideal). Shelf life varies: 6-12 months for standard Li-ion electrolytes versus years for inert ionic liquids. Transportation follows UN2794 (battery electrolyte) or UN3286 (toxic liquids) regulations depending on composition.
B2B Procurement Guide
Industrial buyers should specify: 1) Conductivity range (e.g., ≥10 mS/cm for fast-charge batteries), 2) Moisture content (<20ppm for lithium systems), 3) Electrochemical window matching electrode materials, and 4) Certification (UL1642 for batteries, REACH compliance). Bulk purchases (drum quantities) typically cost 20-30% less than lab-scale quantities. Leading manufacturers include BASF (liquid electrolytes), Shenzhen Capchem (China), and Mitsubishi Chemical (polymer types). Custom formulations may require MOQs of 100kg. Quality verification should include ICP-MS for metal impurities (<1ppm) and Karl Fischer titration for water content. For prototype development, consider pre-mixed solutions with precisely controlled additive percentages (e.g., 2% VC + 1% FEC).
Related Manufacturers
- 主营：晶体管、场效应管、三极管、非固体钽电容、二极管、集成电路、集成稳压器、电阻器、电容器、可控硅、继电器、光电耦合器
- 主营：优氯净、二萘酚、硫酸锌、蒸馏水无电解质、封口蜡、甘露醇、水杨酸、硫酸锰、防染盐、正辛烷、牛磺酸、白僵菌、冰醋酸、铵明矾、肉桂醇、碳酸镁、肉桂醛、磷酸铝、戊二醛、沸石粉、硫化钠、硫化钡、硫化钙、氯化锌、黄原胶、磺酸钙
- 主营：煤沥青、国标改质沥青、国标中温沥青、电解质、高温沥青、中温沥青、沥青粉、球沥青、恒力石油片、煤沥青片、液体沥青、石油沥青、烧火油
- 主营：电解质、中温沥青、国 标改质沥青
- 主营：难熔合金熔炼、纳米粉体、3D打印球形粉末、电解质、电弧合金熔炼、稀土氧化物、镀膜材料、悬浮熔炼
- 主营：纳米铂粉、纳米氧化锌粉末、高纯超细铜粉、电解质、钛锆铪钨铌、纳米氧化铝、钛颗粒、钴铬镍铝钛合金、纳米铁粉、纳米氮化硅、氧化铋、高纯超细钒粉、钴粉、纳米硅粉、碳化钨、锰颗粒、碳化铬粉、钴铬铁镍铝、钛粉、碳化硼、高纯超细钼粉、铜颗粒、金属钙颗粒、纳米锡粉、超细氧化锌、纳米氧化锆
- 主营：煤沥青、国标改质沥青、国标中温沥青、电解质、高温沥青、中温沥青、沥青粉、球沥青、恒力石油片、煤沥青片、液体沥青、石油沥青、烧火油
- 主营：电解质、氟化铝、冰晶石
- 主营：超音波膜、紫外线灯、半导体接头、PH电极带有凝胶电解质、金属卤素灯、中压快速接头、多路快速接头、不锈钢快速接头
- 主营：扩链剂、咪唑系列、阻燃剂、电解质、离子液体、催化剂、乙酰丙酮系列、固化剂系列
- 主营：电解质、冰晶石、氟化铝
- 主营：穩泡剂、洁模剂、乳化剂、电极导电剂固态电解质、防沉剂、固化剂、除固剂、tpr树脂、消臭剂、聚丙烯、pua树脂、疏水剂、dow醇醚、热锈宝、脱模剂、粘着剂、膨润土、清洗剂、eva乳液、脱泡剂、聚氨酯、防锈剂、弹性剂、催干剂、乳化型fc、抗静电剂
- 主营：对辊机、低温粉碎、马赛克陶瓷、电解质、气流分级机、气流粉碎机、高速混合机、气流分级系统、气流粉碎系统、高速混合系统机
- 主营：电池电解质用水、超纯水设备、超纯水仪器
- 主营：真空高温炉、真空烧结炉、真空钎焊炉、固态电解质高温炉、真空气氛炉、箱式炉、钠电锂电箱式炉、正负极材料气氛炉、高温炉、管式炉、升降炉
- 主营：免疫清洗液、生化清洗液、血凝清洗液、电解质试剂、尿仪清洗液