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The Instituto de Ciencia de Materiales de Madrid (ICMM) is an institute of the Consejo Superior de Investigaciones Cientificas (CSIC) (Spanish National Research Council) founded in December 1986, that belongs to the Area of Science and Technology of Materials, one of the eight Areas in which the CSIC divides its research activities.


Our mission is to create new fundamental and applied knowledge in materials of high technological impact, their processing and their transfer to the productive sectors at local, national and European scales (the true value of materials is in their use), the training of new professionals, and the dissemination of the scientific knowledge.

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Forthcoming Events


Topological waves in continuous media
Pierre Delplace  read more


The Interacting Semiconductor Hole Gas
John Schliemann  read more


Thermoelectric graphene nanostructures
Francisco Domínguez-Adame  read more

Structure Distortion Induced Monoclinic Nickel Hexacyanoferrate as High-Performance Cathode for Na-Ion Batteries

Yue Xu, Jing Wan, Li Huang, Mingyang Ou, Chenyang Fan, Peng Wei, Jian Peng, Yi Liu, Yuegang Qiu, Xueping Sun, Chun Fang, Qing Li, Jiantao Han, Yunhui Huang, José Antonio Alonso, and Yusheng Zhao

Prussian blue analogs with an open framework are ideal cathodes for Na?ion batteries. A superior high-rate and highly stable monoclinic nickel hexacyanoferrate (NiHCF-3) is synthesized via a facile one-step crystallization-controlled co-precipitation method. It gives a high specific capacity of 85.7 mAh g−1, nearly to its theoretical value. It also exhibits an excellent rate capability with a high capacity retention ratio of 78% at 50 C and a stable cycling performance over 1200 cycles. Through the ex situ X?ray diffraction and pair distribution function measurements, it is found that the monoclinic structure with distorted framework is greatly related to the high Na content. The electronic structure studies by density functional theory (DFT) calculation demonstrate that NiHCF-3 deformation promotes the framework conductivity and improves the electrochemical activity of Fe, which results in an ultrahigh-rate performance of monoclinic phase. Furthermore, the high-quality monoclinic (NiHCF-3) exhibits excellent compatibility with both hard carbon and NaTi2(PO4)3 anodes in full cells, which shows great prospects for the application in the large-scale energy storage systems.

Adv. Energy Materials, 2019

Local structures of a) typical cubic phase NiHCF-1 with vacancies and b) monoclinic phase NiHCF-3 stemmed from Rietveld refinements. The Rietveld refinements of c) the cubic phase NiHCF-1 and d) the monoclinic phase NiHCF-3.

ICMM-2019 - Sor Juana Inés de la Cruz, 3, Cantoblanco, 28049 Madrid, Spain. Tel: +34 91 334 9000. info@icmm.csic.es