33results about How to "Reduce carbonation" patented technology

An air electrode is composed of a catalytic activity layer, a slip ring, a stretched hydrophobic air pervious layer and leakage proof sealing layer vertical to the direction of the air pervious layerby applying roll to process it with simple structure, good mechanical strength, controllable air flow pass to reduce the loss of electrolyte and influence of Co2 to further increase metal-air batterylife time.

The invention provides a serial-connection breath-type single-plate cabin solid carbon fuel cell stack and a power generation method thereof, belonging to the technical field of fuel cells. According to the cell stack, a plurality of groups of cell units are connected in series; each group of the cell units comprises an electrolyte cabin and a single plate cabin; each single plate cabin is arranged in the corresponding electrolyte cabin; electrolyte is injected into the electrolyte cabin; each single plate cabin is a positive electrode plate cabin and each electrolyte cabin is a negative electrode plate cabin; or each single plate cabin is a negative electrode plate cabin and each electrolyte cabin is a positive electrode plate cabin; positive and negative pressure of positive electrode input gas and negative electrode input gas of the first group of the cell units and positive electrode output gas of the final group of the cell units can be provided by a breath device, and the exchanging of electrolyte in the cell is accelerated; a manner of setting each single plate cabin, namely each positive electrode plate cabin or each negative electrode plate cabin is adopted so that the use cost of the plate cabin is reduced, and furthermore, the electrolyte exchanging is accelerated; meanwhile, a positive electrode or negative electrode adopts a spiral pipeline design and a fuel channel is lengthened; meanwhile, the fuel concentration is matched with the surface area of an electrode so that the electrode efficiency and the fuel efficiency are improved; and the structure is simple and the cost is relatively low.

The utility model relates to a solid carbon fuel cell stack connected in series breathing type plate bins and a power generation method thereof, belonging to the technical field of fuel cells. The battery stack connects multiple sets of battery cells in series, and then the breathing device provides the positive and negative pressures of the anode intake, cathode intake of the first set of battery cells, and the positive and negative pressure of the anode output of the last set of battery cells to accelerate the electrolyte in the battery. Exchange speed, each group of battery cells includes an anode plate compartment and a cathode plate compartment, the electrolyte flow is carried out by connecting the anode plate compartment and the cathode plate compartment, and the anode plate compartment and the cathode plate compartment are insulated, and the anode plate compartment and the cathode plate compartment are set. The cathode plate compartments are insulated and connected through the electrolyte compartment or an insulating plate with a communication port, which reduces or omits the large-volume electrolyte compartment, reduces costs, and has a higher safety factor. The anode plate compartment or / and cathode plate compartment The spiral pipe design is adopted to extend the fuel channel, and at the same time, the fuel concentration matches the electrode surface area, which improves the electrode efficiency and fuel efficiency, and the cost is low.

The invention provides a serial-connection breath-type double-plate cabin solid carbon fuel cell stack and a power generation method thereof, belonging to the technical field of fuel cells. According to the cell stack, a plurality of groups of cell units are connected in series; each group of the cell units comprises an electrolyte cabin, a positive electrode plate cabin and a negative electrode plate cabin, wherein each positive electrode plate cabin and each negative electrode plate cabin are arranged in the electrolyte cabin; positive and negative pressure of positive electrode input gas and negative electrode input gas of the first group of the cell units and positive electrode output gas of the final group of the cell units can be provided by a breath device, and the exchanging of electrolyte in the cell is accelerated; the breath device is sufficiently utilized; a manner of setting each positive electrode plate cabin and each negative electrode plate cabin is adopted; each positive electrode plate cabin and each negative electrode plate cabin adopt a spiral pipeline design and a fuel channel is lengthened; meanwhile, the fuel concentration is matched with the surface area of an electrode so that the electrode efficiency and the fuel efficiency are improved. A positive electrode exhausting pipe of the cell stack is connected with the breath device; water steam exhausted by the positive electrode exhausting pipe can return back to a positive electrode gas inlet pipe and a negative electrode gas inlet pipe through the breath device; and extra pre-heating or heating is not needed so that energy sources are saved.

The invention discloses a protective cement concrete curing agent. The protective cement concrete curing agent is an emulsifier-free protective cement concrete curing agent prepared through aqueous polymerization of butyl acrylate, styrene and hydroxypropyl methacrylate and has an effective solid content of 5 to 25%. In virtue of the high-barrier property of graphene, the curing agent is further improved in the compactness and barrier effect on moisture and carbon dioxide after film formation, and the water-retention rate, carbonization resistance and other performance of the curing agent are improved; and the protective cement concrete curing agent can function both as a cement concrete curing agent and a protective paint, so protection and curing of cement concrete are integrated.

The invention provides a parallel breath-type double-plate cabin solid carbon fuel cell stack and a power generation method thereof, belonging to the technical field of fuel cells. According to the cell stack, a plurality of groups of cell units are connected in parallel; each group of the cell units comprises an electrolyte cabin, a positive electrode plate cabin and a negative electrode plate cabin; each positive electrode plate cabin and each negative electrode plate cabin are arranged in the corresponding electrolyte cabin; positive and negative pressure of positive electrode input gas, negative electrode input gas and positive electrode output gas is provided by a breath device, and the exchanging of electrolyte in the cell is accelerated; a manner of arranging each positive electrode plate cabin and each negative electrode plate cabin is adopted; each positive electrode plate cabin and each negative electrode plate cabin adopt a spiral pipeline design and a fuel channel is lengthened; meanwhile, the fuel concentration is matched with the surface area of an electrode so that the electrode efficiency and the fuel efficiency are improved; and the structure is simple, the manufacturing is easy and the cost is relatively low. A positive electrode exhausting pipe of the cell stack is connected with the breath device; water steam exhausted by the positive electrode exhausting pipe returns back to a positive electrode gas inlet pipe and a negative electrode gas inlet pipe through the breath device, so that the utilization rate of water is improved; and extra pre-heating or heating is not needed so that energy sources are saved.

The invention discloses a positive electrode material for a metal-air battery and a preparation method for a positive electrode. The positive electrode material comprises the following constituents by weight: 2-6% of M<x>Fe<3-x>O<4>, 0.5-3% of carbon dioxide absorbent, 5-10% of active carbon, 0.5-4% of super-conductive acetylene black, 0.5-2% of expanded graphite, 10-70% of 95% ethyl alcohol and 7-80% of PTFE emulsion, wherein the x in the M<x>Fe<3-x>O<4> is less than 3, and M is one or Fe, Cu, Co and MN. By the positive electrode material, overpotential of the battery can be reduced, the service lifetime of the battery is prolonged, and electrolyte carbonation can be reduced. The positive electrode material disclosed by the invention is wide in applicability and is suitably used for coating, dip-coating and rolling methods. The battery prepared from the positive electrode material has high-power (more than 1W, a single battery) discharge performance and high battery capacity under 1A current discharge (more than 6,000mAh, a single battery).

The invention provides a method and a device for calcining materials. The device has a splitting type structure comprises a burning chamber, preheating chambers, a calcining chamber, cooling chambers, a heat accumulator, a gas processing unit, a material conveying machine, a feed device, a discharge device and an exhaust gas discharging system. Material to be calcined is conveyed by the material conveying machine between the preheating chambers, between the preheating chambers and the calcining chamber, between the calcining chamber and the cooling chamber and between the cooling chambers. Smoke generated by the burning in the external burning chamber is processed by the gas processing unit, and then enters the burning chamber for calcining the material. Air for cooling lime and preheating limestone material is subject to dust removing by a cyclone separator and is preheated by the heat accumulator, and then enters the burning chamber for supporting combustion. In the invention, the fuel burning and the material calcining are separated, so that the pollution of lime products caused by harmful substances can be avoided, and the quality of the lime product can be improved. The gas is subject to dust removing and then enters the heat accumulator, thus avoiding blocking a gas channel in the heat accumulator. The material conveying machine is used for conveying the material, so that the conveying efficiency is high, and the occupied space is small.