摘要:
A flow battery system and method of operating the system minimizes performance losses. The flow battery system includes at least one cell, a first tank including a liquid electrolyte, a pump operably connected to the first tank and to the at least one cell, and a second electrolyte tank operably connected to the at least one cell. The flow battery system further includes a memory including program instructions stored therein, at least one sensor configured to a generate at least one signal associated with a sensed condition of the battery system, and a controller operably connected to the at least one sensor, the pump, and the memory and configured to execute the program instructions to determine a dead zone condition exists based upon the at least one signal, and control the pump to pulse flow of the liquid electrolyte to the at least one cell based upon the determination.
摘要:
In one embodiment, a battery system includes a negative electrode, a separator adjacent to the negative electrode, a positive electrode separated from the negative electrode by the separator, the positive electrode including an electrode inlet and an electrode outlet, an electrolyte including about 5 molar LiOH located within the positive electrode, and a first pump having a first pump inlet in fluid communication with the electrode outlet and a first pump outlet in fluid communication with the electrode inlet and controlled such that the first pump receives the electrolyte from the electrode outlet and discharges the electrolyte to the electrode inlet during both charge and discharge of the battery system.
摘要:
In one embodiment, an electrochemical cell includes a negative electrode, a porous separator adjacent to the negative electrode, and a positive electrode separated from the negative electrode by the porous separator, the positive electrode including a conductive matrix and a plurality of insulator particles extending from the conductive matrix.
摘要:
A flow battery system and method of operating the system minimizes performance losses. The flow battery system includes at least one cell, a first tank including a liquid electrolyte, a pump operably connected to the first tank and to the at least one cell, and a second electrolyte tank operably connected to the at least one cell. The flow battery system further includes a memory including program instructions stored therein, at least one sensor configured to a generate at least one signal associated with a sensed condition of the battery system, and a controller operably connected to the at least one sensor, the pump, and the memory and configured to execute the program instructions to determine a dead zone condition exists based upon the at least one signal, and control the pump to pulse flow of the liquid electrolyte to the at least one cell based upon the determination.
摘要:
In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, a temperature sensor within the housing, and an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing at least 50° C. above ambient based upon input from the temperature sensor.
摘要:
An electrochemical battery system in one embodiment includes a first electrochemical cell including an anode with a form of lithium, a first plurality of pressure sensors positioned and configured to sense localized variations in pressure along the anode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) identify an indication of a variation in localized pressure along the anode, and (ii) selectively control the first electrochemical cell based upon the identified indication.
摘要:
A metal/air electrochemical cell in one embodiment includes a negative electrode, a positive electrode, an oxygen supply, and a closed oxygen conducting membrane less than about 50 microns thick located between the oxygen supply and the positive electrode.
摘要:
A vehicular battery system includes an oxygen reservoir supported by a vehicle, a vehicular battery system stack operably connected to the oxygen reservoir and a multistage compressor, the vehicular battery system stack including an active material which consumes oxygen from the oxygen reservoir during discharge, at least one sensor configured to generate a pressure signal associated with a pressure in the oxygen reservoir, a memory, and a processor operably connected to the memory and the at least one sensor, the processor configured to execute program instructions stored within the memory to obtain the pressure signal, and control the state of charge of the vehicular battery system stack based upon the obtained pressure signal.
摘要:
In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix and a lithium insertion material wherein Li2O2 is formed as a discharge product, a separator positioned between the negative electrode and the positive electrode, an electrolyte including a salt, and a polymer coating on the lithium insertion material, the polymer coating permeable to lithium ions and impermeable to the electrolyte.
摘要翻译:根据一个实施例,电化学电池包括包含锂的形式的负极,与负极间隔开的正电极,并且包括电子传导性基体和其中形成Li 2 O 2作为放电产物的锂插入材料,隔板 位于负极和正极之间的电解质,包含盐的电解质和在锂插入材料上的聚合物涂层,所述聚合物涂层可渗透锂离子并且不可渗透到电解质中。
摘要:
A vehicular battery system includes a vehicular battery system stack including at least one negative electrode including a form of lithium, an oxygen reservoir having a first outlet operably connected to the vehicular battery system stack, a multistage compressor having a first inlet operably connected to the vehicular battery system stack, and a second outlet operably connected to a second inlet of the oxygen reservoir, and a cooling system operably connected to the multistage compressor and configured to provide a coolant to the multistage compressor to cool a compressed fluid within the multistage compressor.