4.7 Article

Thermochemical heat storage performance of CaO particles under fluidization in coupled CaO/Ca(OH)2 cycles and CaO/CaCO3 cycles

Related references

Note: Only part of the references are listed.
Article Engineering, Environmental

Sintering mechanism of calcium oxide/calcium carbonate during thermochemical heat storage process

X. K. Tian et al.

Summary: Thermochemical heat storage based on CaO/CaCO3 cycles faces a decline in heat storage capacity due to particle sintering. Reactive molecular dynamic simulations reveal that the carbonation stage dominates the sintering process, while high surface energy drives sintering. Experimental and microstructural characterizations validate the simulation results.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Thermodynamics

Design and performance verification of a fast-reaction thermogravimetric analyzer

Yupeng Feng et al.

Summary: The fast-reaction thermogravimetric analyzer developed in this study provides a new solution for studying the reaction kinetics of fluidized thermochemical heat storage for Ca(OH)(2)/CaO, in addition to acting as a reliable reference for the design and operation of fluidized bed reactors. Through performance verification, the analyzer was shown to obtain kinetic parameters similar to a fluidized bed reactor, which was also verified using other materials.

APPLIED THERMAL ENGINEERING (2022)

Article Engineering, Environmental

Decomposition kinetics of Al- and Fe-doped calcium carbonate particles with improved solar absorbance and cycle stability

Chao Song et al.

Summary: This study successfully enhanced solar absorptance, cycle stability, and decreased decomposition temperature simultaneously by doping CaCO3 particles, paving the way for the design of high-performance calcium-based materials for next-generation high temperature thermal energy storage systems.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Chemical

Simultaneous CO2 capture and thermochemical heat storage by modified carbide slag in coupled calcium looping and CaO/Ca(OH)2 cycles

Chunxiao Zhang et al.

Summary: The modified carbide slag with by-product of biodiesel shows superior CO2 capture and heat storage capabilities in the coupled calcium looping and CaO/Ca(OH)(2) thermochemical heat storage process. Introducing CO2 capture cycles and heat storage cycles can enhance the CO2 capture reactivity and heat storage density of the modified carbide slag.

CHINESE JOURNAL OF CHEMICAL ENGINEERING (2021)

Article Thermodynamics

Glycine tailored effective CaO-based heat carriers for thermochemical energy storage in concentrated solar power plants

Yongqing Xu et al.

Summary: Organic acid-modified CaO-based heat carriers show promising thermochemical energy storage performance in a closed-loop CaLP-TCES system, with glycine-modified eggshell exhibiting the highest energy storage capacity after repeated cycles at high temperatures. The rich mesoporous and macroporous structure generated in the materials after glycine modification significantly improves cyclic thermochemical energy storage performance.

ENERGY CONVERSION AND MANAGEMENT (2021)

Article Engineering, Environmental

Sorption enhanced steam reforming of ethanol over Ni-based catalyst coupling with high-performance CaO pellets

Yongqing Xu et al.

Summary: The study successfully improved the quality of H-2 gas produced during the sorption enhanced steam reforming (SESRE) process of ethanol by coupling novel CaO-based porous spherical sorbents with conventional Ni/Al2O3 catalyst. The results showed that the sorption enhanced steam reforming process is an effective and flexible way to produce high-quality H-2 around 600 degrees C, and the simulated sorption enhanced process was experimentally validated.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Heat release performance and evolution of CaO particles under fluidization for CaO/Ca(OH)2 thermochemical heat storage

Zhiguo Bian et al.

Summary: The study experimentally investigated the effects of key factors on the heat release performance of CaO in a fluidized bed reactor, indicating that CaO exhibits excellent cyclic stability in a fluidized state, the increase in cycle number leads to rapid particle expansion, and different carrier gas conditions influence the hydration conversion rate of CaO.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

Article Engineering, Environmental

Fluidized bed reactor for thermochemical heat storage using Ca(OH)2/CaO to absorb the fluctuations of electric power supplied by variable renewable energy sources: A dynamic model

Takayuki Uchino et al.

Summary: A simplified dynamic model for a Ca(OH)(2)/CaO-containing fluidized bed reactor was developed, with assessment of its performance using nitrogen or steam as the fluidizing gas. The study showed that thermochemical heat storage can improve efficiency by absorbing fluctuations from variable renewable energy.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Thermodynamics

Solar combined cycle with high-temperature thermochemical energy storage

C. Ortiz et al.

Summary: This research proposes integrating a high-temperature thermochemical energy storage cycle into solar combined cycles to enhance the solar contribution. The novel solar combined cycle analyzed in this work significantly increases the annual solar share and demonstrates high plant efficiencies and dispatchability.

ENERGY CONVERSION AND MANAGEMENT (2021)

Article Thermodynamics

Optimal design and operation of an Organic Rankine Cycle (ORC) system driven by solar energy with sensible thermal energy storage

Haoshui Yu et al.

Summary: In this study, the optimal design and operation of an Organic Rankine Cycle (ORC) system driven by solar energy were investigated. A simulation-based optimization model was developed to maximize system efficiency, with findings showing that supercritical ORC outperforms subcritical ORC. Toluene was identified as the best working fluid, while the system efficiency was significantly improved compared to previous studies.

ENERGY CONVERSION AND MANAGEMENT (2021)

Article Energy & Fuels

Redox performance of manganese ore in a fluidized bed thermogravimetric analyzer for chemical looping combustion

Jingchun Yan et al.

Summary: An innovative fluidized bed thermogravimetric analyzer was designed to study the performance of oxygen carriers in chemical looping combustion processes, revealing that high-grade manganese ore with less silicon content is more suitable for industrial CLC pilots.
Article Chemistry, Applied

CaO/Ca(OH)2 heat storage performance of hollow nanostructured CaO-based material from Ca-looping cycles for CO2 capture

Zhiguo Bian et al.

Summary: The hollow nanostructured CaO material fabricated by hydrothermal carbonization method shows promising performance in coupled Ca-looping for CO2 capture and CaO/Ca(OH)(2) heat storage, with significantly higher CO2 capture capacity and heat storage capacity compared to traditional limestone.

FUEL PROCESSING TECHNOLOGY (2021)

Article Energy & Fuels

Structurally improved, TiO2-incorporated, CaO-based pellets for thermochemical energy storage in concentrated solar power plants

Shengbin Bai et al.

Summary: In this study, structurally improved, TiO2-incorporated, CaO-based pellets were successfully prepared by adding cellulose as a pore-forming template and adopting TiO2 incorporation method. These pellets exhibited high conversion rate and energy density in cyclic heat energy storage/release. The evenly distributed CaTiO3 grains provided structural stability and enhanced anti-sintering ability of the pellets, leading to improved cyclic energy storage/release performance.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

Review Engineering, Environmental

Incorporation of CaO into inert supports for enhanced CO2 capture: A review

Yingchao Hu et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Article Thermodynamics

Comparison of hybridizing options for solar heat, biomass and heat storage for electricity generation in Spain

C. M. Iftekhar Hussain et al.

ENERGY CONVERSION AND MANAGEMENT (2020)

Article Energy & Fuels

Investigation on the Ca(OH)2/CaO thermochemical energy storage system with potassium nitrate addition

T. Wang et al.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2020)

Review Chemistry, Multidisciplinary

Solar Energy on Demand: A Review on High Temperature Thermochemical Heat Storage Systems and Materials

Alfonso J. Carrillo et al.

CHEMICAL REVIEWS (2019)

Review Green & Sustainable Science & Technology

The Calcium-Looping (CaCO3/CaO) process for thermochemical energy storage in Concentrating Solar Power plants

C. Ortiz et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Thermodynamics

High-temperature thermochemical energy storage - heat transfer enhancements within reaction bed

Qasim Ranjha et al.

APPLIED THERMAL ENGINEERING (2019)

Article Thermodynamics

Thermal cycling stability of thermochemical energy storage system Ca (OH)2/CaO

Liu Dai et al.

APPLIED THERMAL ENGINEERING (2018)

Article Energy & Fuels

Calcium looping sorbents for CO2 capture

Maria Erans et al.

APPLIED ENERGY (2016)

Article Engineering, Chemical

First-principle study of CaO/Ca(OH)2 thermochemical energy storage system by Li or Mg cation doping

J. Yan et al.

CHEMICAL ENGINEERING SCIENCE (2014)

Article Thermodynamics

Improving powder bed properties for thermochemical storage by adding nanoparticles

C. Rosskopf et al.

ENERGY CONVERSION AND MANAGEMENT (2014)

Review Green & Sustainable Science & Technology

A review on high temperature thermochemical heat energy storage

P. Pardo et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2014)

Article Engineering, Environmental

Nano CaO grain characteristics and growth model under calcination

Yanqing Zhu et al.

CHEMICAL ENGINEERING JOURNAL (2011)

Article Engineering, Chemical

Long-Term Behavior of CaO-Based Pellets Supported by Calcium Aluminate Cements in a Long Series of CO2 Capture Cycles

Vasilije Manovic et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2009)

Article Engineering, Chemical

The effect of CaO sintering on cyclic CO2 capture in energy systems

P. Sun et al.

AICHE JOURNAL (2007)

Article Engineering, Environmental

Steam reactivation of spent CaO-based sorbent for multiple CO2 capture cycles

Vasilije Manovic et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2007)

Article Engineering, Chemical

Determination of the critical product layer thickness in the reaction of CaO with CO2

D Alvarez et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2005)