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Energy Storage: Flow Batteries

A flow battery, or redox flow battery, is a type of electrochemical cell where chemical energy is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane. Advantages over conventional rechargeables includes separable liquid tanks and near unlimited longevity. Flow batteries applications include: load balancing, storing energy from renewable sources, peak shaving, UPS, power conversion, electric vehicles and stand-alone power systems.


Top 10 Corporate Owners


 
Issued Patent Count   
 
Published Application Count

Corporation Patents and Published Applications Count
1. Sumitomo
 
 
177
2. Lockheed Martin
 
 
134
3. ESS Technology
 
 
81
4. Raytheon Technologies
 
 
70
5. LG Chem
 
 
57
6. Panasonic
 
 
53
7. Imergy Power Systems
 
 
51
8. Battelle
 
 
47
9. Inventor
 
 
42
10. Showa Denko
 
 
36




Invention Categorization and Classification

Categorization and Classification Patents and Published Applications
  • Methods
  •  
    108
    108 Operating
  • Physical
  •  
    669
    155 Cell Configuration , 150 Stack Configuration , 127 Circulation , 113 Control system , 61 Bipolar plate , 42 Leaks , 20 Storage , 1 Load Leveling
  • Primary Chemistry
  •  
    1249
    258 Membrane , 249 Inorganic electrolytes , 243 Electrode , 179 Organic electrolytes , 144 Electrolyte Balance , 114 Coordination compounds , 51 Semi-solid , 11 Membraneless
  • Secondary Chemistry
  •  
    190
    147 Mediators , 43 Current
  • Regenerative fuel cells
  •  
    80
    80 Regenerative fuel cells
  • Applications
  •  
    14
    8 Desalination , 4 Dehumidifier , 2 Refrigeration
  • Miscellaneous
  •  
    18
    18 miscellaneous


    Recent Published Activity in Energy Storage: Flow Batteries as of August 15, 2022