NB/T 10193-2019 English PDFUS$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. NB/T 10193-2019: Solid oxide fuel cell - Terminology Status: Valid
Basic dataStandard ID: NB/T 10193-2019 (NB/T10193-2019)Description (Translated English): Solid oxide fuel cell - Terminology Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: K82 Classification of International Standard: 29.220.01 Word Count Estimation: 19,168 Date of Issue: 2019-06-04 Date of Implementation: 2019-10-01 Issuing agency(ies): National Energy Administration NB/T 10193-2019: Solid oxide fuel cell - Terminology---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Solid oxide fuel cell-Terminology ICS 29.220.01 K 82 NB Energy Industry Standards of the People's Republic of China Solid oxide fuel cell terminology 2019-06-04 released 2019-10-01 implementation Issued by National Energy Administration Table of contentsForeword...II 1 Scope...1 2 General terms...1 3 Solid oxide fuel cell...4 4 Fuel and oxidizer treatment...5 5 Performance test method...6 6 Control...8 References...11 Chinese Index...12 English Index...15ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Electrical Equipment Industry Association. This standard is under the jurisdiction of the Energy Industry High Temperature Fuel Cell Standardization Technical Committee (NEA/TC 34). Drafting organizations of this standard. Tsinghua University, China Electrical Equipment Industry Association, Suzhou Huaqing Jingkun New Energy Technology Co., Ltd., China Science and Technology Technical University, China University of Mining and Technology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Foshan Sofolk Hydrogen Energy Co., Ltd., Dongguan Shenzhen Tsinghua University University Research Institute Innovation Center, Nanjing Collier New Energy Technology Co., Ltd., Nanjing University of Science and Technology, Beijing Low-Carbon Clean Energy Research Institute, etc. The main drafters of this standard. Han Minfang, Lu Zewei, Xian Cunni, Zhang Liang, Sun Zaihong, Xia Changrong, Wang Shaorong, Cheng Mojie, Liang Bo, Zheng Ziwei, Du Xiaojia, Li Haibin, Zhu Tenglong, Gong Yudong, etc. This standard is issued for the first time. Solid oxide fuel cell terminology1 ScopeThis standard proposes the terms and definitions used in solid oxide fuel cell technology and its applications. This standard applies to various types of solid oxide fuel cells (including flat plate, tube, etc.).2 General terms2.1 Fuel cell An electrochemical device that directly converts the chemical energy of a fuel and an oxidant into electrical energy (direct current), heat, and reaction products. [GB/T 28816-2012, definition 3.43] 2.2 Solid electrolyte A solid oxide capable of conducting cations or anions. 2.3 Electrode Used to lead the current generated by the electrochemical reaction into or out of the electronic conductor (or semiconductor) of the electrochemical cell. [GB/T 28816-2012, definition 3.33] Note. Generally it is a mixed conductor of ions and electrons. 2.4 Anode The electrode where the fuel oxidation reaction occurs. [GB/T 28816-2012, definition 3.2] 2.5 Cathode The electrode where the reduction reaction of the oxidant occurs. [GB/T 28816-2012, definition 3.18] 2.6 Single cell The basic unit of a fuel cell consists of a set of anode and cathode and the electrolyte that separates them. [GB/T 28816-2012, definition 3.19.2] 2.7 Fuel cell stack A combination of two or more single cells, connectors, seals, manifolds, and necessary structural parts with a unified electrical output. 2.8 Fuel cell module An integrated body composed of one or more fuel cell stacks, supply and exhaust pipes, electrical connection and output systems, and other auxiliary units. 2.9 Fuel cell power system A complete and stable operation power generation system composed of fuel cell modules and necessary auxiliary components, usually referred to as fuel cell system System. [GB/T.20042.1-2017, definition 2.3.10] 2.10 Mass specific power The ratio of the rated power of a stack or fuel cell power generation system to its mass. [GB/T.20042.1-2017, definition 3.2.26] Note. The unit is watts per kilogram (W/kg). 2.11 Volume specific power The ratio of the rated power of a stack or fuel cell power generation system to its volume. [GB/T.20042.1-2017, definition 3.2.25] Note. The unit is watts per cubic meter (W/m3). 2.12 Effective area The geometric area of the electrode perpendicular to the direction of current flow. [GB/T.20042.1-2017, definition 3.1.5] Note. The unit is square meter (m2). 2.13 Current density The current passing per unit electrode active area. [GB/T.20042.1-2017, definition 3.2.14] Note. The unit is ampere per square meter (A/m2). 2.14 Power density The power produced per unit effective area. Note. The unit is watts per square meter (W/m2). 2.15 Area specific resistance; ASR The resistance per unit effective area is the resistance value multiplied by the effective area. Note. The unit is ohm square meters (Ω·m2). 2.16 Porosity For fuel cells, it is the ratio of the pore volume to the total volume of the electrode material or electrolyte matrix. [GB/T 28816-2012, definition 3.84] 2.17 Functional layer The area in the electrode that mainly plays the role of electrocatalysis. 2.18 Triple phase boundary; three phase boundary; TPB The three contact areas of the electronic conductive phase, ion conductive phase and gas phase in the electrode. 2.19 Thermodynamic voltage According to the Gibbs free energy change of the reaction ΔG and the number of electrons involved in the reaction n, the voltage calculated by the formula V=-ΔG/(nF); where F Is the Faraday constant, equal to 96485 C/mol. Note. Rewrite GB/T.20042.1-2017, definition 3.2.6. 2.20 Open circuit voltage; OCV The terminal voltage when the fuel cell has fuel and oxidizer but no external current flows. [GB/T 28816-2012, definition 3.117.2] 2.21 Polarization Due to the irreversible process occurring in the components of the fuel cell, the output voltage of the fuel cell deviates from its thermodynamic value. [GB/T 28816-2012, definition 3.82] 2.22 Activation polarization Polarization caused by overcoming the electrode reaction barrier. 2.23 Ohmic polarization Polarization caused by the ohmic resistance of fuel cell components. 2.24 Concentration polarization Polarization caused by the concentration gradient of reactants and products in the electrode.3 Solid oxide fuel cell3.1 Solid oxide fuel cell; SOFC A fuel cell that uses ion-conducting oxide as the electrolyte. [GB/T 28816-2012, definition 3.43.9] 3.2 Reversible solid oxide cell A reversible electrochemical device that uses solid oxide as an electrolyte, which can use fuel and oxidant to generate electricity (direct current) And heat energy can also convert electrical energy (direct current) into chemical energy (fuel and oxidant) through the electrolysis process. 3.3 Planar solid oxide fuel cell Solid oxide fuel cell with flat structure. 3.4 Tubular solid oxide fuel cell Solid oxide fuel cell with tubular structure. 3.5 Anode supported solid oxide fuel cell A solid oxide fuel cell with the anode layer as a support. 3.6 Cathode supported solid oxide fuel cell A solid oxide fuel cell with a cathode layer as a support. 3.7 Electrolyte supported solid oxide fuel cell A solid oxide fuel cell with an electrolyte layer as a support. 3.8 Metal supported solid oxide fuel cell A solid oxide fuel cell using a metal substrate as a support. 3.9 Seal component To prevent leakage or blow-by of cathode and anode gas. 3.10 Interconnector It is mainly used as a conductive component that collects current and separates oxidant and reducing agent. 3.11 Manifold A pipe that transports or collects fluid from a fuel cell or fuel cell stack. [GB/T 28816-2012, definition 3.70] 3.12 Fuel cell combined heat and power system combined heat and power fuel cell system A fuel cell power generation system designed to provide electricity and heat to external users. Note. Rewrite GB/T 28816-2012, definition 3.47.4 Fuel and oxidizer treatment4.1 Fuel processing system The chemical treatment device and its related heat exchanger and control that convert the input fuel into the fuel of the chemical composition required by the fuel cell stack The combination of devices. 4.2 Oxidant processing system It can purify, meter, preheat, adjust and compress the oxidant used by the fuel cell power generation system. 4.3 Reforming The chemical process of preparing suitable component fuel gas from raw fuel. 4.4 Reformate gas The gas obtained by the reforming reaction of the raw fuel. 4.5 Reforming conversion ratio The fuel is reformed to obtain the conversion rate of the target product. 4.6 External reforming The raw fuel is reformed outside the fuel cell module to obtain fuel gas of suitable composition 4.7 Internal reforming The raw fuel is directly passed into the anode chamber of the fuel cell without external reforming for reaction 4.8 Gas crossover The mutual leakage of gas between the fuel cavity and the oxidizer cavity.5 Performance test method5.1 Power output change test for power output change Under load operating conditions, a test to verify the output characteristics of a fuel cell module or system when the load changes. Note. The power output change test can also be called the variable working condition test. 5.2 Thermal cycling test A reliability test performed by exposing the test sample to a preset high and low temperature test environment. 5.3 No-load voltage The operating voltage when the fuel cell stack or system does not provide electrical output to external loads. 5.4 Standby state The fuel cell power generation system has a sufficiently high operating temperature and is in an operating mode with zero power output, but the fuel cell power generation system can Quickly switch to a running state with considerable power output. [GB/T 28816-2012, definition 3.110.4] 5.5 Cold state The fuel cell power generation system is in a state where there is neither energy input nor energy output at ambient temperature. [GB/T 28816-2012, definition 3.110.1] 5.6 Power response time When the electrical energy and thermal energy output start to change and the electrical energy and thermal energy output reach a stable state within the set tolerance range duration. 5.7 Response time to rated power In the normal working state of the fuel cell, the duration from the no-load output to the first instant when the rated power is reached. 5.8 Speed to full power The rate from standby to rated power specified by the manufacturer. Note. This can also be quoted as "full load rate", expressed in kilowatts per second (kW/s). 5.9 Dynamic transient response of power output The dynamic response of fuel cell power generation system output power with load changes. 5.10 (Solid oxide fuel cell) electrical efficiency of SOFC Under the specified steady-state operating conditions, within a given time period, the electrical energy output of the fuel cell power generation system The ratio of the fuel heating value of the pool power generation system. 5.11 (Solid Oxide Fuel Cell) heat efficiency of SOFC Under the specified steady-state operating conditions, within a given period of time, the thermal energy collected by the fuel cell power generation system is The ratio of the fuel heating value of the pool power generation system. 5.12 (Solid Oxide Fuel Cell) overall energy efficiency of SOFC Under specified steady-state operating conditions, within a given period of time, the electrical energy output and collected heat energy of the fuel cell power generation system The ratio of the sum to the calorific value of the fuel entering the fuel cell power generation system. 5.13 Auxiliary energy consumption In order for the fuel cell power generation system to work continuously in a stable operation state, it must provide energy to auxiliary machinery and equipment. Note. For example, fans, water pumps, heaters, sensors, etc. 5.14 Vibration level The level of vibration produced by the fuel cell power generation system during operation. Note. This value is expressed in decibels (dB), which is measured on the foundation or support of the system when the fuel cell power generation system produces maximum vibration under stable operating conditions The numerical value. 5.15 Background noise level When the fuel cell power generation system is turned off, the sound pressure level generated around the system is measured at the specified measurement point. 5.16 Estimated individual noise value The value obtained on a measuring instrument after subtracting the measured background noise value. 5.17 Audible noise level The sound pressure level produced by the fuel cell power generation system measured at a specified distance.6 control6.1 Power conditioning system A device that changes or adjusts the power output by changing the voltage level or waveform, or by other methods. 6.2 Heat management system In order to keep the temperature of the internal modules within the normal range when the fuel cell system is working, provide cooling, heat dissipation and/or heating, and also It is possible to provide a system that reuses excess heat. [GB/T.20042.1-2017, definition 2.4.7] 6.3 Water treatment system A system for necessary treatment of recycled water or makeup water used in fuel cell systems. [GB/T.20042.1-2017, definition 2.4.9] 6.4 Automatic control system A system composed of detection devices, actuators, and control units to make the fuel cell power generation system automatically without manual intervention Start, run and shut down. [GB/T.20042.1-2017, definition 3.3.12] 6.5 Ventilation system A system that realizes the air exchange inside and outside the casing of the fuel cell system by mechanical or natural means. [GB/T.20042.1-2017, definition 2.4.1] 6.6 Start-up time For systems that do not require external energy supply to maintain a storage state, the time interval for transition from a cold state to a net electrical output. Need external The time interval for a system that supplies energy to maintain a storage state from the storage state to a net electrical output. [GB/T.20042.1-2017, definition 3.3.12] 6.7 Response time The time required for the fuel cell system to go from one defined state to another. Note. It can also be quoted as "response rising slope", expressed in kW/s. 6.8 Shutdown time The time interval from the moment the load is removed to the completion of shutdown as specified by the manufacturer. [GB/T 28816-2012, definition 3.115.4] 6.9 Start-up energy The sum of the electrical energy, thermal energy, and fuel chemical energy required by the fuel cell system during startup. 6.10 Water consumption The fuel cell system produces the mass of water consumed per kilowatt-hour of electricity. Note. The unit is grams per kilowatt hour (g/kWh). 6.11 Oxidant consumption The fuel cell system produces the mass of oxidant consumed per kilowatt of electricity. Note. The unit is grams per kilowatt hour (g/kWh). 6.12 Recovered heat Collect and utilize heat from the fuel cell system. 6.13 Waste water Excess water discharged from the fuel cell system and not part of the heat recovery system. [GB/T 28816-2012, definition 3.118] 6.14 Discharge water The emissions from the fuel cell power generation system include waste water and water used in the heat recovery system. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of NB/T 10193-2019_English be delivered?Answer: Upon your order, we will start to translate NB/T 10193-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of NB/T 10193-2019_English with my colleagues?Answer: Yes. 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